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59results about How to "Solve environmental pollution" patented technology

Clean production process of blended fertilizer

The invention discloses a clean production process of a blended fertilizer, which comprises the following steps: preparing and selecting raw materials; performing primary granulation on different raw materials to obtain uniform granular raw materials; performing closed ventilation storage on the granular raw materials; proportioning and metering the granular raw materials; mixing and stirring; finally, packaging is carried out, 4-5 mm particles obtained after the raw materials are subjected to extrusion forming through a pair of rollers and subjected to primary granulation are consistent in appearance state, air in the raw materials is removed through extrusion, gaps are compressed, the density and specific gravity of the formed particles tend to be uniform, and the product quality is improved. Blending layering caused by particle size, density difference and different adsorption capacities cannot occur when the raw materials are blended, the blended compound fertilizer meets the international general blending fertilizer proportioning principle, the completely-homogenized blending fertilizer quality requirement can be met, the processing cost is saved, the production efficiency is improved, and the production cost is reduced. And the problem of caking of the raw materials is effectively solved.
Owner:WENLING ZEGUO CHEM MACHINERY CO LTD

Precise fertilization method, system and device for rice transplanter

The invention discloses a precise fertilization method, system and device for a rice transplanter, and relates to the technical field of rice cultivation. Comprising the following steps: dividing a to-be-fertilized field into a plurality of sub-regions, analyzing the concentrations of nitrogen, phosphorus, potassium and organic matters, and taking an average value as the nutrient content of the field; the soil compactness is analyzed, and the nutrient penetration depth index is calculated in combination with environmental parameters such as soil temperature and humidity mean values; acquiring field salinity and alkalinity data, and calculating a soil nutrient effectiveness index in combination with the environmental parameters; correcting the fertilization longitudinal spacing and the fertilization depth according to the nutrient effectiveness index and the penetration depth index to obtain an accurate value; finally, the rice precise fertilization operation is completed through a rice transplanter according to the precise fertilization depth and the longitudinal distance. According to the method, soil nutrients and environmental parameters are dynamically combined, the fertilization precision is optimized, and the fertilizer utilization efficiency is improved.
Owner:JIANGXI ACAD OF AGRI SCI INST OF AGRI ENG +1

Flow state filling material and preparation method thereof

ActiveCN119285323Alow costSimple disposal stepsSolid waste management
The invention discloses a flow-state filling material and a preparation method thereof, and belongs to the technical field of building materials. The flow-state filling material is prepared by mixing the following raw material components in parts by weight: 85-95 parts of construction waste recycled redundant soil slurry, 5-15 parts of waterworks tail mud slurry, 40-60 parts of low-quality construction waste recycled aggregate, 5-10 parts of granulated blast furnace slag powder, 3-6 parts of asbestos-free mineral fiber, 1-4 parts of cement, 1-2 parts of industrial byproduct gypsum, 0.3-1 part of bentonite and 0.5-1.5 parts of a water reducing agent. The flow-state filling material is excellent and stable in performance, green resource utilization of the construction waste and the waterworks tail mud is achieved, and the problems that the treatment cost is too high and the environment is polluted possibly caused by the construction waste and the waterworks tail mud are solved.
Owner:KUNSHAN CHENGJIAN LVHE ENVIRONMENTAL SCI & TECH CO LTD

Method for preparing C / C-SiC composite material by multistage recovery of carbon / carbon composite material processing waste material

PendingCN121990839AImprove mechanical propertiesImprove tribological propertiesCarbon compositesCarbon fibers
The invention discloses a method for preparing a C / C-SiC composite material through multi-stage recovery of carbon / carbon composite material processing waste, and belongs to the technical field of C / C composite material preparation. The method comprises the following steps: carrying out multi-stage screening treatment on the carbon / carbon composite material processing waste, and screening and separating short carbon fibers and pyrolytic carbon powder; mixing the screened short carbon fibers and pyrolytic carbon powder with phenolic resin, industrial silicon powder and SiC powder, and preparing a fiber reinforced resin block in a mold pressing manner; and carrying out one-step continuous carbonization and ceramic heat treatment on the fiber reinforced resin block to finally obtain the C / C-SiC composite material. According to the method, high-added-value recycling of the C / C processing waste is achieved, the process is simple, the cost is low, operation is convenient and fast, the problems of resource waste and environmental pollution caused by existing waste treatment are solved, and the prepared C / C-SiC composite material is excellent in performance and can be widely applied to the fields of aerospace, high-end manufacturing and the like.
Owner:WUXI BOZHI COMPOSITE MATERIALS CO LTD

Film mulching control system of degradable film rice film mulching transplanter and use method of film mulching control system

The invention relates to a film mulching control system of a degradable film rice mulching transplanter and a using method, the film mulching control system comprises a rack, a film discharging device, a film pressing device and a film breaking device, the film discharging device comprises a film placing device and a film placing motor; the film pressing device comprises a supporting plate and a plurality of film pressing rollers, the film breaking device comprises a sawtooth film pressing rod and a sawtooth lower rod which are arranged up and down, sawteeth are arranged on the sides, close to each other, of the sawtooth film pressing rod and the sawtooth lower rod, and the sawtooth lower rod is fixedly connected to the rear portion of the film supporting plate. The film breaking device further comprises a film pressing connecting line for driving the sawtooth film pressing rod to swing up and down, and the film breaking device has the advantages that the working efficiency is improved, the labor intensity is reduced, the safety and the film covering quality are improved, the cost is saved, and the environmental sustainability is improved; the popularization and application of the technology play a positive role in agricultural synergy, farmer income increase, people living quality improvement, agricultural environment quality improvement, organic rice industry technical progress promotion and agricultural international competitiveness enhancement.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Clean production process of compound fertilizer

PendingCN119528625AConvenient use areaImprove the conditions of useClimate change adaptationAlkali orthophosphate fertiliserFertilizer plantMoisture absorption
The invention discloses a clean production process of a compound fertilizer, which comprises the following steps: carrying out primary granulation on raw materials to obtain granular raw materials; proportioning and mixing the granular raw materials to obtain a mixture; the mixture is crushed; carrying out secondary granulation; the raw materials are directly granulated and put in storage, so that the obvious defects of moisture absorption, hardening and deterioration easily caused by raw material storage in a compound fertilizer plant are overcome, the worry of long-term storage of the raw materials is fundamentally solved, the use area and conditions of a production plant are optimized, and the granulated granular raw materials can be stored in a large scale in a storage form of a new process. The contact area between particles is reduced, the volume compression density is increased, wet gas is not easy to enter, a series of practical problems of material overflow, dust splashing, corrosion caused by the fact that materials absorb moisture and adhere to production equipment and the like in traditional compound fertilizer production are well solved, and the requirements of green factories and clean production are well met. And the whole process is simple and efficient.
Owner:WENLING ZEGUO CHEM MACHINERY CO LTD

A method for multi-product cascade separation of haematococcus based on coupling of low eutectic solvent sequential extraction and enzyme membrane reactor

ActiveCN121371677BEffective dissociationImprove extraction efficiencyDepsipeptidesNatural dyesEnzyme membraneHaematococcus
The application belongs to the technical field of natural substance separation and extraction, and particularly relates to a kind of Haematococcus pluvialis multi-product cascade separation method based on eutectic solvent sequential extraction and enzyme membrane reactor coupling, comprising the following steps: (1) cell wall weakening pretreatment step; (2) water-soluble component extraction step; (3) pigment component extraction step; (4) astaxanthin extraction step; (5) enzyme conversion step. Through the synergistic effect of eutectic solvent sequential extraction and enzyme membrane reactor, efficient, green and continuous cascade separation of water-soluble components, pigments, astaxanthin and xylo-oligosaccharides in Haematococcus pluvialis is realized, and product purity and resource utilization are improved.
Owner:ERFA BIOTECHNOLOGY (JIAXING) CO LTD

Self-compacting concrete of carbonization synergistically modified solid waste aggregate and admixture and preparation method thereof

The invention discloses a self-compacting concrete of carbonization synergistic modified solid waste aggregate and admixture and a preparation method thereof, wherein the preparation method comprises the following steps: 1) 40-60 parts of admixture, 100-150 parts of aggregate, and 50-70 parts of water are placed in a vertical stirred mill, industrial tail gas is introduced at a rate of 10-30L / min, and grinding is performed at a speed of 400-700r / min for 30-40min to obtain a mixed material containing aggregate and admixture; 2) the mixed material is stirred for 3-5min with 100 parts of PO42.5 cement, 250-300 parts of crushed stone, and 0.4-0.7 parts of water reducer to obtain self-compacting concrete. In the present invention, under the action of carbon dioxide, the admixture and aggregate are wet-milled and modified, and the stability of the modified aggregate is qualified, and the self-compacting concrete prepared by the modified admixture and aggregate mixture has high strength, excellent slump expansion and anti-segregation performance.
Owner:HUBEI UNIV OF TECH

Quality-improved and flavor-enriched apricot and plum fruit vinegar and preparation method thereof

The invention relates to the field of fruit vinegar processing, and discloses quality-improved and flavor-enriched apricot and plum fruit vinegar and a preparation method thereof.The preparation method comprises the following steps of raw material picking and pretreatment, plum juice squeezing and blending, alcoholic fermentation pretreatment, alcoholic fermentation, acetic fermentation, preliminary filtration, low-temperature clarification and centrifugal treatment; the apricot and plum fruit vinegar is processed through the processes of alcoholic fermentation, acetic fermentation, low-temperature clarification and the like, potassium caseinate is added in the low-temperature clarification stage to clarify the apricot and plum fruit vinegar, the content of bioactive components of the new variety of apricot and plum fruit vinegar is increased, the oxidation resistance of the new variety of apricot and plum fruit vinegar is improved, and meanwhile the variety of volatile flavor substances of the apricot and plum fruit vinegar is enriched; furthermore, the new variety of apricot and plum fruit vinegar is endowed with excellent taste and pleasant fragrance, and the apricot and plum fruit vinegar has the effects of resisting oxidation, resisting aging, whitening, keeping healthy and the like.
Owner:QINGDAO AGRI UNIV

PTFE-based polymer electrothermal composite material and solvent-free preparation method thereof

The invention provides a PTFE-based polymer electrothermal composite material and a solvent-free preparation method thereof. Relates to the technical field of electric heating materials, and the PTFE-based polymer electric heating composite material comprises a PTFE-based electric heating layer, strip-shaped electrodes at the two ends of the PTFE-based electric heating layer, and insulating waterproof layers on the outer sides of the PTFE-based electric heating layer and the strip-shaped electrodes; the strip-shaped electrodes are adhered to the two ends of the surface of the PTFE-based electric heating layer by using conductive slurry, and the PTFE-based electric heating layer comprises a PTFE structural phase, a flexible binder and a conductive phase filler. The PTFE-based polymer electrothermal composite material has the advantages of compact structure, few defects, stable resistance, high product processing consistency and good thermal stability and mechanical property. The solvent-free preparation method can effectively avoid the problems of environmental unfriendliness, harm to human bodies and the like caused by organic solvents.
Owner:HUANENG HEZHANG WIND POWER CO LTD +2

Flotation separation method for recovering pyrite from barite associated ore

The invention relates to a flotation separation method for recovering pyrite from barite associated ore. The invention relates to a flotation separation method for recovering pyrite from barite associated ore. The flotation separation method comprises the following steps that raw ore is taken and put into a flotation tank to be subjected to size mixing treatment; a regulator is added into the ore pulp, the pH value is regulated, and then a barite inhibitor, a collecting agent and a foaming agent are sequentially added; and at least two times of roughing and one time of scavenging are conducted on the ore pulp, and finally a pyrite product and a barite product are obtained respectively. According to the flotation separation method for recycling the pyrite from the barite associated ore, the aluminum salt modified water glass with the selective inhibition capacity is used for effectively inhibiting barite, and the pyrite can be better separated out; meanwhile, carbon dioxide gas is used for replacing sulfuric acid to regulate and control the pH of the system, the floatability of the pyrite can be remarkably improved, and meanwhile potential safety hazards and environmental pollution are reduced.
Owner:GUANGXI ZHONGJIN LINGNAN MINING CO LTD +1

Pt nanoparticle supported Fe-based MOF photocatalyst, and preparation method and application thereof

The application discloses a kind of Pt nanoparticle load Fe-based MOF photocatalyst and its preparation method and application, belong to environmental energy technical field.The preparation method disclosed in the application uses 2-amino terephthalic acid, FeCl3·6H2O and aqueous solution of chloroplatinic acid hexahydrate as raw material, through hydrothermal reaction, Pt nanoparticle is dispersed in situ and loaded NH2-MIL-101 (Fe), reduces interface charge transfer resistance, inhibits the recombination of photo-generated carriers, to further improve the photocatalytic nitrogen fixation activity, using the synergistic effect of NH2-MIL-101 (Fe) composite photocatalyst containing Pt nanoparticle to achieve the purpose of improving the yield of photocatalytic conversion of nitrogen to ammonia, significantly solve the high energy consumption and environmental pollution problem of traditional industrial nitrogen fixation Haber-Bosch method.
Owner:SHAANXI UNIV OF SCI & TECH

Method for in-situ crystallization synthesis of zeolite molecular sieve from solid waste coal gangue

This invention relates to the field of zeolite molecular sieve production technology, specifically a method for in-situ crystallization synthesis of zeolite molecular sieves from solid waste coal gangue. The steps are as follows: Coal gangue is calcined at 600-800℃ for 1-5 hours to obtain calcined coal gangue; it is mixed with acid and water at a ratio of 1:(0.1-0.5):(4-8), reacted at 65-95℃ for 1-5 hours, and the pH is adjusted to 7-10 with alkali. After aging, it is filtered, washed, and dried to obtain activated coal gangue; the activated coal gangue is mixed with externally sourced materials, template agent, solid seed crystals (crystallinity ≥85%), and water in a specific ratio, crystallized at 100-200℃ for 24-72 hours, and calcined to obtain SAPO-34, SSZ-13, or AlPO. 4 -5. Adding ammonium salts via ion exchange can produce MTO catalysts. This invention improves the crystallinity of molecular sieves, resulting in a methanol conversion rate of ≥96% for the MTO catalyst, enabling the resource utilization of coal gangue, reducing costs, and providing a versatile process suitable for industrial application.
Owner:BAOLAN EP INC

Coupling method and system for preparing jade core stone from gypsum waste residue and by-product sulfuric acid

This invention belongs to the field of industrial solid waste resource utilization and inorganic material preparation technology, specifically relating to a coupled method and system for preparing jade core stone from gypsum waste residue and producing sulfuric acid as a byproduct. The coupled method includes: drying the gypsum waste residue in a first drying device to obtain semi-dry gypsum waste residue, then drying the semi-dry gypsum waste residue in a second drying device to obtain anhydrous gypsum raw material; mixing and grinding the anhydrous gypsum with pre-set auxiliary materials, and then processing it through a melting furnace roasting device, a calendering device, and a segmented crystallization annealing device to prepare jade core stone products, wherein the waste heat from the melting furnace roasting device, the calendering device, and the segmented crystallization annealing device is all returned to the second drying device; during the calcination of the anhydrous gypsum mixed and ground with pre-set auxiliary materials in the melting furnace roasting device, the sulfur-containing flue gas generated during the calcination process is collected and sequentially treated through a waste heat recovery device, a purification drying device, and a two-transfer two-absorption device to obtain industrial-grade sulfuric acid.
Owner:HUNAN XINWANRUN IND SOLID WASTE SLAG RESEARCH INSTITUTE CO LTD

Glue-pouring-free microminiature separated diffuse reflection photoelectric switch inductive head

ActiveCN222464589Ulow costLong detection distanceElectronic switchingPhotoswitchLight guide
The utility model relates to a glue-pouring-free microminiature separation type diffuse reflection photoelectric switch inductive head, in particular to an improvement of a separation type diffuse reflection photoelectric switch inductive head, which comprises an inductive head, an optical fiber line, an electric wire and an outgoing line sheath, and the inductive head comprises a tube body, a light guide part, an assembly part, a luminous tube, a convex lens, a connecting part and a fixed clamping column. A light guide part is arranged in the tube body, an assembly part is arranged in the light guide part, and a connecting part is arranged on the right side of the light guide part; a convex lens is arranged on the left side in the assembly part; and the connecting piece is provided with an optical fiber cable at the upper part, an electric wire at the lower part and a fixing hole in the middle. The light guide piece is in butt joint with the optical fiber through the connecting piece, the fixing hole is provided with the fixing clamping column used for clamping the optical fiber and the electric wire, and installation is convenient. The sensor has the advantages that the sensing distance is longer, the material cost is lower, the production period is shorter, the production process is greatly simplified, glue pouring and grinding are not needed, and meanwhile the overall production and use cost and the environmental protection cost are greatly reduced.
Owner:LUOSHIDA SENSOR (FOSHAN) CO LTD

High-efficiency oxygen combustion device for treating aluminum ash residue

The utility model discloses a kind of oxygen combustion-supporting combustion devices of high efficiency processing aluminium ash, belong to aluminium ash processing technical field, including rotary kiln, support, gas conveying mechanism and recovery mechanism, gas conveying mechanism includes liquid oxygen bottle, oxygen inlet pipe, gasifier, connecting pipe, valve one and oxygen lance, gas conveying mechanism is used to be generated by liquid oxygen gasification Pure oxygen is sprayed into rotary kiln by oxygen lance combustion-supporting, recovery mechanism includes air inlet pipe, oxygen removal box, air outlet pipe and circulation pipe, air inlet pipe is connected rotary kiln top, screen is equipped in air inlet pipe, copper-based catalyst is fixedly connected in oxygen removal box, molecular sieve cylinder is fixedly connected in air outlet pipe, circulation pipe is connected air outlet pipe top and air inlet pipe. The utility model replaces air by gas conveying mechanism delivery pure oxygen, solve the problem of prior art waste gas waste heat, low thermal efficiency, and by recovery mechanism to waste gas is purified gradually, solve the problem of waste gas emission pollution and resource waste, and recycle pure nitrogen.
Owner:SHANGHAI DAIDING IND CONTROL SYST CO LTD

Environment-friendly recycled asphalt mixture and preparation method thereof

The invention relates to the technical field of waste asphalt regeneration, and discloses an environment-friendly recycled asphalt mixture and a preparation method thereof.The recycled asphalt mixture is prepared from, by weight, 30-50 parts of recycled aggregate, 40-60 parts of new aggregate, 3-7 parts of regenerant, 3-6 parts of matrix asphalt and 1-5 parts of waste oil, and the regenerant is prepared from 65-85% of oil component and 1-5% of stabilizer component; 2-6% of a plasticizer component and 15-35% of waste plastic powder. According to the environment-friendly recycled asphalt mixture and the preparation method thereof, a hot mix plant recycling technology is applied, and the waste asphalt mixture is circularly applied, so that the problem of environmental pollution of the waste asphalt mixture is solved, stone resources and land resources are saved, meanwhile, investment is saved, the construction cost is reduced, energy conservation and emission reduction are facilitated, and the environment-friendly recycled asphalt mixture is suitable for industrial production. And the method has obvious social benefits.
Owner:SHANDONG EXPRESSWAY WEIHAI MAINTENANCE TECHNOLOGY CO LTD

Lightweight recyclable thermoplastic radome

The utility model relates to the technical field of antenna protection equipment discloses a kind of lightweight recyclable thermoplastic radome, including the cover body made of thermoplastic composite material, hollow interlayer structure is arranged in the wall of the cover body;Thermoplastic composite material is with thermoplastic resin as matrix, and with fibre fabric as reinforcing material.A kind of lightweight recyclable thermoplastic radome, all adopt thermoplastic material, product life cycle end can be recycled by heating melting and realize the recycling of material, solve the environmental pollution problem of thermosetting composite material.
Owner:NANJING YOUQIAO ELECTRONICS TECH

Clean production system of compound fertilizer

PendingCN119549061AConvenient use areaImprove the conditions of useDispersed particle separationGranulation by pressingFertilizer plantAgricultural engineering
The invention discloses a clean production system of a compound fertilizer, which comprises a primary granulation device, a storage device, a metering device, a mixing device, a screening device and a packaging device, the primary granulation device is used for preparing raw materials of the compound fertilizer into granular raw materials, and the storage device is used for storing the granular raw materials after primary granulation; the metering device is used for weighing and metering granular raw materials, the mixing device is used for mixing and stirring the weighed and metered granular raw materials, the screening device is used for screening the mixed granular raw materials, the packaging device is used for packaging the screened granular raw materials, and the raw materials are directly granulated and put in storage. The obvious defects of moisture absorption, hardening and deterioration easily caused by raw material storage in a compound fertilizer plant are overcome, the worry of long-term storage of the raw materials is fundamentally solved, the usable area and conditions of a production plant are optimized, and the production environment is effectively improved.
Owner:WENLING ZEGUO CHEM MACHINERY CO LTD

Device for recycling solvent of vacuum flash evaporation system

The invention provides a solvent recycling device for a vacuum flash evaporation system, which comprises a heatable air exhaust pipeline, the bottom of the heatable air exhaust pipeline is connected with a plurality of groups of solvent recycling assemblies, and each group of solvent recycling assembly comprises a first vacuum pipeline, a second vacuum pipeline, a third vacuum pipeline, a copper pipe cold trap, a solvent recycling tank and a stirring heating base station, one end of the copper pipe cold trap is connected with the bottom of the heatable pumping pipeline through a first vacuum pipeline and a second vacuum pipeline, and the other end of the copper pipe cold trap is connected with the solvent recovery tank through a third vacuum pipeline; the right end of the heatable air exhaust pipeline is connected with a molecular pump, and the bottom of the heatable air exhaust pipeline is connected with a large-pumping-amount mechanical pump through a first auxiliary pipeline; the recycling rate of 99.9% is achieved for the gas solvent generated in the perovskite solar cell flash evaporation technological process, the composition of the recycled solvent can be kept consistent with that of an original solvent, and the method can be used for preparing a fresh solution.
Owner:华柔光电科技(温州)有限公司

An improved method for the preparation of perfluorosulfonic acid ion exchange membranes by melt extrusion blow molding, the membranes prepared by the method and applications thereof

This invention provides an improved method for preparing perfluorosulfonic acid ion exchange membranes by melt extrusion blow molding, as well as the films prepared by this method and their applications. The method includes the following steps: (1) mixing materials containing perfluorosulfonic acid fluorine resin, sulfonated graphene and additives in a mixer in proportion, extruding and granulating them using a vented twin-screw extruder, cooling and drying to obtain a masterbatch; the mass ratio of perfluorosulfonic acid fluorine resin, sulfonated graphene and 2,5-diamino-terephthalic acid is 100:10-20:1-3; (2) feeding the masterbatch obtained in step (1) into a single-screw extruder, melt extruding and blow molding it into a film through a blown film die head, and obtaining a perfluorosulfonic acid ion exchange membrane after cooling; (3) saponifying the perfluorosulfonic acid ion exchange membrane obtained in step (2) with NaOH methanol solution to obtain a sodium perfluorosulfonate type perfluorosulfonic acid hydrogen type ion exchange membrane; or reacting the perfluorosulfonic acid ion exchange membrane obtained in step (2) with HCl solution to obtain a perfluorosulfonic acid hydrogen type ion exchange membrane.
Owner:SUZHOU KERUN NEW MATERIALS CO LTD

Chemical upgrading recovery method of polystyrene plastic

The invention discloses a chemical upgrading recovery method of polystyrene plastics. The method is based on Friedel-Crafts reaction (Friedel-Crafts Reaction), and a class of multicolor polymer fluorescent materials with conventional luminescence property and aggregation-induced emission (AIE) property are obtained. Polymer materials with different fluorescence colors can be obtained by regulating and controlling the reaction ratio and reaction temperature of the polystyrene plastic and the catalyst, and the adjustable emission wavelength is realized. The chemical upgrading recovery method of the polystyrene plastic has the characteristics of wide raw material source, simple operation process, low cost, easiness in large-scale production, stable property and the like. The obtained multicolor fluorescent polymer material has strong fluorescence and high quantum yield in a solid powder state or a solution state, and has better application prospects in the fields of plastic recovery, plastic modification, plastic processing, biomedical treatment, fluorescent labeling, organic photoelectricity, chemical sensing and the like.
Owner:FUJIAN NORMAL UNIV

A signal processing system and method for an electrochromatographic mud concentration meter

The present invention relates to a signal processing system and method for an electrical chromatography mud concentration meter, belonging to the technical field of dredging engineering, and characterized in that it is composed of a sensor electrode, an excitation signal generating unit, a signal acquisition processing unit, an image reconstruction unit and a control unit; wherein: the sensor electrode acquires the information of the electrical chromatography mud concentration; the excitation signal generating unit receives the information output by the sensor electrode, and performs analog-to-digital conversion on the information; the signal acquisition processing unit receives the digital signal of the excitation signal generating unit, and performs gating, amplification, filtering, and signal conversion processing on the digital signal; the image reconstruction unit receives the information of the control unit, and reconstructs the information. The present invention can overcome the problems of large signal processing volume, fast processing speed, and complex algorithm structure.
Owner:CCCC TIANJIN DREDGING

Recovery processing system of mask substrate

The utility model belongs to the field of mask substrates, and particularly relates to a recovery processing system of a mask substrate. Comprising a film stripping module, the film stripping module comprises a film stripping container and a clearing container, the clearing container is arranged at the rear end of the film stripping container, film stripping liquid is contained in the film stripping container, and clearing liquid is contained in the clearing container; and the drying module is arranged at the rear end of the film stripping module. The utility model provides a recovery processing system of a mask substrate, and aims to solve the problem of recovery of the mask substrate.
Owner:SHAOXING XINLIAN SEMICON TECH CO LTD

Portable shallow exploration seismic source device

The invention belongs to the technical field of seismic exploration, and provides a portable shallow exploration seismic source device which comprises a storage battery, a stepping motor controller, a shell, a lead screw stepping motor, a buckle and unlocking mechanism, a heavy hammer and a strong spring. The upper end of the heavy hammer is attached to the inner wall of the shell. The strong spring is arranged between the inner side of the shell bottom and the bottom of the upper end of the heavy hammer; the upper end of the buckle and unlocking mechanism is fixed with the shell through the buckle; the lead screw stepping motor is arranged on the upper side of the buckling and unlocking mechanism. The bottom of the lower end of the buckle and unlocking mechanism is connected with the top of the heavy hammer; a transmission rod of the lead screw stepping motor is connected with the center of the pincerlike mechanism at the lower end of the buckling and unlocking mechanism. A reset spring is arranged between the upper part of the pincerlike mechanism at the lower end of the buckling and unlocking mechanism and a transmission rod of the screw rod stepping motor; the lead screw stepping motor is connected with the stepping motor controller. And the stepping motor controller is connected with the storage battery. The invention realizes a flexible, safe and environment-friendly seismic source exploration device.
Owner:BEIJING HUAHUI GEOXPLORA TECH CO LTD

A method for preparing a ceramic copper-clad plate by direct writing 3D printing copper paste

PendingCN122602874AThickness size covers a wide rangeShorten the production cycle
The application relates to a method for preparing a ceramic copper-clad plate by direct writing 3D printing of copper paste, and relates to a method for preparing a ceramic copper-clad plate. The application aims to solve the problems that traditional ceramic substrate copper-clad technology cannot simultaneously consider low cost, high precision, controllable thickness and simple process, and solve the problem that existing 3D printing copper paste technology cannot simultaneously consider thick copper and precision. The method comprises the following steps: 1, preparation of 3D printing conductive copper paste; 2, direct writing 3D printing of the copper paste; and 3, sintering. The application is used for preparing a ceramic copper-clad plate by direct writing 3D printing of copper paste.
Owner:CHONGQING ENCHEN NEW MATERIAL TECH CO LTD

A feeding device matched with an oil press

ActiveCN224408588UReduce breakage rateProtect physical integrityVegetable oilBraced frame
The application relates to the field of vegetable oil processing machinery and equipment, in particular to a feeding device matched with an oil press. The feeding device is composed of a supporting frame, a circulating chain transmission mechanism installed on the supporting frame and a plurality of material bearing containers equidistantly arranged on the circulating chain transmission mechanism. The supporting frame is fixedly connected with an external sealing cover to form a closed conveying channel, wherein the circulating chain transmission mechanism comprises at least one closed-loop conveying chain which is driven to circulate by a driving assembly arranged on the supporting frame. Each material bearing container is connected with the conveying chain through a tail double-pivot hinge mechanism, and the hinge mechanism enables the container to rotate around the axis. The feeding device can realize vertical or large-angle lifting, and can reduce the oil crushing rate and operation noise.
Owner:DONGGUAN MINJIAN ELECTRIC APPLIANCE CO LTD

High-transparency and high-barrier paper-based packaging material based on in-situ layered construction and preparation method of high-transparency and high-barrier paper-based packaging material

The invention discloses a high-transparency and high-barrier paper-based packaging material based on in-situ layered construction and a preparation method of the high-transparency and high-barrier paper-based packaging material, and belongs to the technical field of pulping, papermaking and paper-based functional materials. The method mainly comprises the following steps: 1, preparing carboxymethyl fibers; 2, preparing the TEMPO oxidized nano cellulose; 3, preparing raw paper of the high-transparency fiber supporting layer; 4, preparing a hydrogel precursor solution; 5, preparing a mixed coagulating bath; and 6, preparing the high-transparency and high-barrier paper-based packaging material. The invention provides a technical concept of'in-situ layered construction ', a high-transparency and high-strength fiber supporting layer is constructed through plant fibers, CM-fibers and TEMPO oxidized nanofibers, and the high-transparency and high-strength fiber supporting layer is prepared by utilizing the principles of ionic crosslinking and solvent exchange. A hydrogel optical interface layer for filling matrix pores and a compact surface barrier functional film layer are synchronously constructed on the surface of the fiber supporting layer, and finally the high-transparency and high-barrier paper-based packaging material constructed based on in-situ layering is prepared.
Owner:ZHEJIANG KAIFENG NEW MATERIAL CO LTD

A hot water type painting exhaust gas waste heat recycling device and an environmental protection heating system

ActiveCN224415848UReduce frequent startupSolve waste
The utility model discloses a hot water type coating waste gas waste heat recycling device and environmental protection heating system, including waste gas intake pipe, waste gas outlet pipe, heat pump unit, heat preservation water tank, first circulating water pump, second circulating water pump and phase change heat storage tank, and heat pump unit includes waste heat heat exchanger, the upper end of heat preservation water tank is equipped with water inlet pipe and heating pipe, and the lower end of heat preservation water tank is equipped with first water outlet pipe, second water outlet pipe, first return pipe and second return pipe, heat pump unit, water inlet pipe, heat preservation water tank, first water outlet pipe, first circulating water pump head -tail connection to form first heating cycle system, and second water outlet pipe, second circulating water pump, phase change heat storage tank, second return pipe head -tail connection to form phase change heat storage system. The above -mentioned device is coupled through heat pump unit, heat preservation water tank, phase change heat storage tank and other equipment, and the load fluctuation is buffered, and the host computer frequent start is reduced, realizes the high -quality utilization of waste heat, solves the energy waste and environmental pollution problem in traditional craft.
Owner:GUANGZHOU SENMAO SMART ENERGY TECH CO LTD

High-heat-efficiency energy storage system based on air supply principle

The invention belongs to the technical field of heat management of energy storage systems, and particularly relates to a high-heat-efficiency energy storage system based on an air supply principle, which comprises two working loops: the working loop I is used for recovering and storing a large amount of waste heat resources generated in factory production results; according to the second working loop, the heat resources stored in the first working loop are utilized, and the stored heat resources are converted into other energies. Through the high-heat-efficiency energy storage system based on the air supply principle, an air supply heat storage mode is added in the heat storage system, a large amount of heat brought by a working medium is fully utilized, and the energy utilization rate is increased; and the heat is stored in a heat storage system taking the shaped composite material as a heat storage medium, so that the heat storage efficiency in the heat storage system is greatly improved, and the utilization and conversion efficiency of heat resources is improved.
Owner:NANJING TECH UNIV