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234results about How to "Improve pollution" patented technology

Pollution research and water quality prediction method based on river segmented water environment capacity analysis

The invention discloses a pollution research and water quality prediction method based on river segmented water environment capacity analysis. The method comprises the following steps: accurately dividing a drainage basin into water environment capacity accounting units; obtaining a river water body image through satellite remote sensing; identifying and quantifying the positions and the intensities of point source and non-point source pollution sources in the drainage basin by utilizing the water quality parameters of the river obtained by the remote sensing image; establishing a river water quality prediction model; calculating the water environment capacity of each river reach under different surface water environment quality standards; comparing the estimated pollutant discharge amount with the water environment capacity under each water quality standard, and judging whether the pollutant discharge amount exceeds the capacity or not; and predicting future water quality change by using the model. According to the method, remote sensing, GIS and machine learning technologies are utilized, rapid analysis of the river segmented water environment capacity and accurate prediction of the water quality are achieved, dependence on a large amount of field sampling and complex software simulation is reduced, and the working efficiency is greatly improved.
Owner:南京市市政设计研究院有限责任公司

Preparation method of reverse osmosis membrane and reverse osmosis membrane

The invention discloses a preparation method of a reverse osmosis membrane and the reverse osmosis membrane. The preparation method comprises the following steps: (1) adding polyethersulfone into N, N-dimethylacetamide in a heating and stirring state, and stirring for a period of time after charging is completed, so as to obtain a mixed solution; (2) cooling the mixed solution, continuing to add a pore-foaming agent, and stirring for a period of time after charging is completed to obtain a precursor solution; (3) performing vacuum defoaming treatment on the precursor solution to obtain a membrane casting solution; (4) loading the membrane casting solution on a carrier, and then carrying out gel bath treatment to obtain a base membrane; and (5) performing polyamide treatment on the surface of the base membrane to obtain the reverse osmosis membrane. The preparation method disclosed by the invention is simple in process and low in material cost, and the obtained reverse osmosis membrane has more uniform and more through-type pore structures, higher separation efficiency, more excellent chemical stability and better mechanical properties, can adapt to higher operation pressure, and can continuously and stably operate at higher flux under high pressure.
Owner:CHENGDU MEIFUTE MEMBRANE ENVIRONMENTAL PROTECTION TECH CO LTD

Groundwater pollution path microscopic analysis method based on graph neural network

The invention discloses an underground water pollution path micro-analysis method based on a graph neural network. The method comprises the following steps: S1, acquiring a historical data set and a real-time monitoring data set of underground water pollution; s2, using a fuzzy membership function to represent the language level of the fuzzy variable; s3, constructing a fuzzy logic rule base based on the historical data set; s4, using a fuzzy inference system to process fuzzy variables in the historical data set; s5, constructing an underground water pollution path diagram structure model based on the historical data set and the real-time monitoring data set; s6, constructing an incidence matrix between the nodes; s7, based on the trained graph neural network model, inputting water flow velocity, pollutant concentration and geologic structure parameters in the real-time monitoring data set; s8, generating real-time prediction of a pollution diffusion path; and S9, outputting an analysis result of the groundwater pollution path. The problems that in the prior art, a pollution diffusion path is difficult to accurately predict under a complex geological structure, and real-time dynamic response is insufficient are solved.
Owner:HUAIHUA UNIV

Cross-regional energy supply and demand big data intelligent matching system

The invention relates to the technical field of energy supply and demand matching analysis, in particular to a cross-regional energy supply and demand big data intelligent matching system, which comprises the following modules: a data acquisition module which is responsible for collecting energy supply data and demand data of each region; the data processing module is used for cleaning, integrating and analyzing the collected data, and predicting future energy supply and demand conditions of each region by utilizing a machine learning algorithm; the intelligent matching module is used for intelligently matching an optimal energy supply and demand scheme according to an analysis result of the data processing module; the scheduling instruction module is used for sending a scheduling instruction to the energy management center of each region to realize cross-region allocation of energy; and the feedback adjustment module is used for collecting feedback information, adjusting algorithm parameters and optimizing a matching scheme according to an actual allocation effect. According to the invention, the optimization of energy distribution is ensured, and the loss and cost in the energy transmission process are reduced.
Owner:BAOYING COUNTY POWER SUPPLY BUREAU +2

Cold cementation negative carbon aggregate prepared from steel slag and coal-based solid waste synergistically and preparation method of cold cementation negative carbon aggregate

The invention discloses a cold cementing negative carbon aggregate prepared by synergistically using steel slag and coal-based solid waste and a preparation method of the cold cementing negative carbon aggregate, and belongs to the technical field of solid waste resource utilization. The cold cementation negative carbon aggregate comprises steel slag, coal-based solid waste, an activating agent, a grinding aid and a pore-forming agent. The steel slag and the coal-based solid waste are effectively utilized, high energy consumption and high pollution caused by a traditional sintering mode are avoided, the purposes of energy conservation and environmental protection are achieved, and the cold-cemented negative carbon aggregate is light in weight, high in strength, simple in preparation process, suitable for industrial application and popularization, capable of serving as building light aggregate or building sand-gravel materials and suitable for popularization and application. The method has excellent environmental benefits, economic benefits and social benefits.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Collection and transportation system optimization method based on rural household garbage spatial distribution characteristics

The invention relates to the technical field of artificial intelligence, in particular to a collection and transportation system optimization method based on spatial distribution characteristics of rural household garbage. The method comprises the following steps: (1) remote sensing image identification: identifying and extracting typical land images of a rural area by adopting a D-LinkNet model; (2) resident area partitioning: according to the resident space aggregation degree, dividing the resident area into three space aggregation forms of high aggregation, medium aggregation and dispersion by adopting an optimized hotspot analysis method; (3) collecting point site selection: constructing a relation function between the resident area and the garbage yield, clustering the resident points in the three spatial aggregation forms by adopting a multiple K-means clustering algorithm, setting a buffer distance, and optimizing and determining the position of the garbage collecting point; and (4) carrying out collection and transportation path optimization: based on the collection and transportation requirements of the three space aggregation form areas, taking the shortest collection and transportation path as a target, and adopting a genetic algorithm to solve an optimal garbage collection and transportation path scheme, so that scientific planning of a rural household garbage collection and transportation system is realized, and collection and transportation cost and environmental pollution are reduced.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY +1

Strong friction bionic surface suitable for smooth and rough surfaces and preparation method

The invention discloses a strong friction bionic surface suitable for smooth and rough surfaces and a preparation method, the strong friction bionic surface comprises a rigidity-variable epoxy shape memory polymer, the rigidity-variable epoxy shape memory polymer is structurally divided into three layers, namely a backing layer, an inclined micro-cylinder array and a smaller-size secondary micro-cylinder array from bottom to top, the backing layer is conveniently fixed on a heating substrate and transfers heat, and the inclined micro-cylinder array is low in rubber-state cylinder modulus in a normal contact stage, so that the inclined micro-cylinder array can be in conformal contact with a dual surface better; before sliding friction, the cylinder is switched to be in a glassy state, the modulus is high, deformation is small, the anti-shearing effect can be effectively improved, and damage caused by large deformation is not likely to happen; the second-stage micro-column array has low contact rigidity when being in contact with a smooth surface or a rough surface, can be well adapted to planes with different sizes of roughness, and is embedded with rough peaks to increase the contact area.
Owner:SOUTHWEST JIAOTONG UNIV

Spectacle lens chamfering mechanism

The utility model discloses a spectacle lens chamfering mechanism, which belongs to the technical field of spectacle lens processing and comprises a shell, a turntable is rotatably mounted on the inner top wall of the shell, sleeves are uniformly arranged at the bottom of the turntable, springs are fixed in the sleeves, sleeve rods are fixed at the bottom ends of the springs, abutting blocks are hinged to the bottom ends of the sleeve rods, and the abutting blocks are hinged to the inner top wall of the shell. A motor is installed on the inner bottom wall of the shell, a tray is fixed to an output shaft of the motor, and a supporting rod is fixed to the middle of the top of the tray. Through cooperative use of the shell, the rotating disc, the sleeve, the spring, the sleeve rod, the abutting block, the motor, the tray, the supporting rod, the supporting block, the hydraulic rod, the reinforcing block, the hydraulic cylinder and the grinding machine, the placement angle of the spectacle lens can be adjusted according to different use requirements, the purpose of conveniently chamfering the spectacle lens at different angles is achieved, manual adjustment is not needed, time and labor are saved, and the working efficiency is improved. The operation is convenient, so that the practicability of the spectacle lens chamfering mechanism is improved.
Owner:ANHUI SHILU OPTICAL CO LTD

Hydrogen bond organic framework material composite film as well as preparation method and application thereof

The invention belongs to the technical field of membrane separation, and particularly relates to a hydrogen bond organic framework material composite membrane and a preparation method and application thereof, and the preparation method of the hydrogen bond organic framework material composite membrane comprises the following steps: dissolving a hydrogen bond organic framework material in a first solvent to obtain a hydrogen bond organic framework material solution; dissolving graphene oxide in a second solvent to obtain a graphene oxide solution; mixing the hydrogen bond organic framework material solution and the graphene oxide solution to a constant volume, and then carrying out ultrasonic treatment to obtain a uniformly mixed GO / HOF compound solution; the GO / HOF compound solution is subjected to suction filtration to the surface of the substrate film through a vacuum suction filtration method, and the composite film with a uniform structure is formed by using hydrogen bonds between the hydrogen bond organic framework and graphene oxide and a pi-pi conjugation effect. The preparation method provided by the invention is simple to operate and mild in preparation condition, and the prepared hydrogen bond organic framework material composite membrane is relatively large in flux and has better interception performance.
Owner:ZHEJIANG NORMAL UNIV

Construction method of anti-seepage environment-friendly cofferdam in water source protection area

The invention discloses a water source protection area anti-seepage environment-friendly cofferdam construction method which comprises the steps that a filter strip is constructed on the outer side of a cofferdam construction area, the top of the filter strip is located on the horizontal plane of a reservoir, the bottom of the filter strip sinks to the water bottom, and the two ends of the filter strip are connected with bank slopes; then steel trestles are constructed on the outer side of the cofferdam construction area and the inner side of the filter belt to serve as an operation platform and a channel during cofferdam construction; a cofferdam is constructed on the inner side of the trestle, two rows of steel sheet piles are driven into the cofferdam construction position, the head ends and the tail ends of the two rows of steel sheet piles are connected with the bank slope, water stopping treatment is conducted on the inner sides of the two rows of steel sheet piles, and a gap exists between the two rows of steel sheet piles; after construction of the two rows of steel sheet piles is completed, backfilling materials are used for backfilling gaps of the two rows of steel sheet piles, and therefore pollution to water quality of a water source is reduced on the basis that it is guaranteed that the cofferdam has the anti-seepage capacity.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1

Iron oxide pigment with super weather resistance and corrosion resistance and preparation method thereof

The invention discloses an iron oxide pigment with super weather resistance and corrosion resistance and a preparation method thereof, and belongs to the technical field of coatings. The method comprises the following steps: mixing iron oxide, polyamide resin and anti-ultraviolet resin, carrying out ball milling, mixing with a nano titanium dioxide solution, drying, and curing under ultraviolet rays to obtain the iron oxide pigment. The iron oxide pigment prepared by the invention has excellent weather resistance and corrosion resistance, can resist corrosion of ultraviolet rays to the pigment, prevents cracking, improves the stability and pollution resistance of the pigment and prolongs the service life of the pigment, and the preparation method is simple and convenient, and is suitable for large-scale industrial production.
Owner:YIXING YUXING IND & TRADE

Chain grate machine-rotary kiln pelletizing process biomass-hydrogen-based fuel gas composite heat supply method

The invention discloses a grate-rotary kiln pellet process biomass-hydrogen-based fuel gas composite heat supply method, which comprises the following operation steps A, B and C in a grate-rotary kiln pellet production process: A: mixing biomass charcoal and a pellet material for pelletizing; b, the biomass solid fuel and the hydrogen-based fuel gas are injected into the rotary kiln at the same time; and C, fuel gas and / or air are / is injected to the joint of the chain grate machine and the rotary kiln head so as to regulate and control the oxygen content and temperature of the flue gas of the second preheating section. According to the method, under the condition that normal production of the pellets is not affected, due to the fact that a renewable, clean and low-carbon fuel structure is fully adopted, the number of CO2 and gas pollutants generated by combustion of fossil fuel is remarkably reduced.
Owner:CENT SOUTH UNIV

Sponge storage yard arrangement structure of automatic container and implementation method of sponge storage yard arrangement structure

The invention relates to a sponge storage yard arrangement structure of an automatic container and an implementation method thereof, and relates to the field of drainage. The structure comprises a box corner foundation, a filling area, an open drain, two groups of PMG tracks and a surrounding net. The implementation method comprises the steps that a plurality of prefabricated open trench modules and filling area modules are produced in a factory and transported to a construction site to be rapidly assembled; the filling area integrally sinks horizontally, and the pavement is formed by permeable pavement; a multi-stage filtering system is arranged on the stepped open drain; when the storage yard encounters rainstorm, rainwater is naturally accumulated and permeated in the sunken filling area, and if the rainstorm exceeds a certain amount, the rainwater enters the stepped open drain. The mode of'natural accumulation, natural permeation and natural purification 'of a sponge city is met by combining the elevation of the filling area of the container area, the paving of the filling area and the open trench structure of the filling area, and the manufacturing cost and the construction time are saved.
Owner:CCCC THIRD HARBOR CONSULTANTS

Preparation method of back contact battery anti-reflection film for improving silicon nitride dust

The invention belongs to the technical field of back contact batteries, and discloses a preparation method of a back contact battery anti-reflection film for improving silicon nitride dust. The method comprises the following steps: feeding a silicon wafer into PECVD (Plasma Enhanced Chemical Vapor Deposition) equipment, sequentially heating, keeping constant temperature, vacuumizing and keeping constant pressure, introducing ammonia gas for ionization, vacuumizing after ionization is finished, and completing pre-film cleaning of the silicon wafer; sequentially depositing three layers of silicon nitride films; and finally, nitrogen is introduced for membrane back-blowing. Before the silicon nitride film layer is deposited, the ionized ammonia gas is used for performing pre-film cleaning on the silicon wafer, so that the problem of dust particulate matter pollution before deposition can be effectively improved; after the three silicon nitride film layers are deposited, nitrogen is introduced to perform post-film purging and cleaning on the silicon wafer, so that the post-film dust particulate matter pollution problem can be effectively improved.
Owner:POPSOLAR TECHNOLOGY (JIANGMEN) CO LTD

A high-performance composite nanofiltration membrane and its preparation method and application

The present invention provides a high-performance composite nanofiltration membrane and a preparation method and application thereof, belonging to the field of composite membrane materials. The high-performance composite nanofiltration membrane of the present invention is composed of a polyethersulfone ultrafiltration membrane as a support layer, polyethyleneimine as an aqueous phase monomer, and trimesoyl chloride as an organic phase monomer, and an interfacial polymerization reaction is carried out. During the interfacial polymerization reaction, the MOP-SO3Na material is introduced into the polyamide separation layer to form a high-performance composite nanofiltration membrane, and the composite nanofiltration membrane has excellent hydrophilicity, anti-pollution performance and water flux. It has broad application prospects in the fields of seawater desalination, wastewater treatment, and dye desalination.
Owner:CHONGQING CHEM IND VOCATIONAL COLLEGE

Photosensitive functional monomer and method for preparing photocuring 3D printing polyurethane elastomer by using same

The invention discloses a photosensitive functional monomer and a method for preparing a photocuring 3D printing polyurethane elastomer by using the photosensitive functional monomer, and relates to a self-repairing polymer functional material. The technical problems that an existing self-repairing polyurethane elastomer prepared through photocuring 3D printing is low in repairing efficiency and poor in mechanical performance are solved. The chemical structural formula of the functional monomer is # imgabs0 #, wherein m is 1, 2, 3 or 4; r is # imgabs 1 # and is obtained by synthesizing an intermediate from 1, 4-benzene diboronic acid, 1, 2, 4-butantriol, water and anhydrous magnesium sulfate and then reacting the intermediate with acrylic acid-2-isocyano ethyl ester. A photosensitive functional monomer, a photosensitive resin monomer, a reactive diluent and a photoinitiator are mixed into slurry for 3D printing, the polyurethane elastomer is obtained, the tensile strength of the polyurethane elastomer reaches 3-8.6 MPa, the visible light transmittance reaches 85%, the polyurethane elastomer can be 100% healed after being heated at 80 DEG C, and the polyurethane elastomer also has a self-repairing function at room temperature and can be used in the field of 3D printing.
Owner:HARBIN INST OF TECH +2

Method and system for detecting heavy metal pollution in soil sample

The invention relates to the technical field of soil detection, and discloses a method and system for detecting heavy metal pollution in a soil sample, and the system comprises three modules: a data acquisition module, a data processing module and a state early warning module. The data acquisition module acquires soil samples at different depths in different preset areas, stores the soil samples in a pollution-free container, and marks sample sources. The data processing module is responsible for pretreatment and chemical analysis of samples, heavy metal signal intensity is measured by using an ion detector, heavy metal concentration is calculated, pollution level is further evaluated, and a result is sent to the state early warning module. The state early warning module judges whether the area is a sensitive area or not according to the evaluation result, and carries out secondary sampling and evaluation if necessary so as to correct the pollution level and decide whether to give out early warning or not. By calculating the heavy metal signal intensity, the blank signal intensity and the instrument sensitivity correction factor, the heavy metal concentration in the soil sample can be accurately calculated.
Owner:WEIFANG XINBO PHYSICAL & CHEM TESTING CO LTD +1

Slope flood intercepting ditch for early closure of gentle slope valley type landfill

The utility model discloses a slope flood intercepting ditch for early closure of a gentle slope valley type landfill. The slope flood intercepting ditch comprises a flood intercepting ditch body, bolts and a ballast layer. The flood intercepting ditch is formed in a preset position of the reservoir area slope; the sealing anti-seepage film and the landfill reservoir area bottom film are anchored on the inner side of the flood intercepting ditch through bolts; and the ballast layer is arranged in the flood intercepting ditch and is used for carrying out ballast fixation on the field sealing impermeable film and the landfill reservoir area bottom film which are anchored in the flood intercepting ditch. The flood intercepting ditch is constructed at the preset position of the reservoir area slope of the valley-type landfill, so that good collection and smooth guide and drainage of rainwater gathered in the landfill and the local slope can be ensured; the closure covering film and the landfill area bottom film are anchored in the flood intercepting ditch through the bolts and ballasted, so that the integrity of connection of the closure covering film and the landfill area bottom film is guaranteed, and good rain and sewage diversion and pollution prevention and control effects are achieved.
Owner:BEIJING GEOENVIRON ENG & TECH INC +1

Reverse osmosis membrane assembly and seawater desalination system

The invention discloses a reverse osmosis membrane assembly which comprises a reverse osmosis core and sealing covers mounted at two ends of the reverse osmosis core in a sealing manner, the reverse osmosis core comprises a middle inner membrane supporting layer as well as two groups of micro-filtration membranes and two groups of ultra-filtration membranes which wrap the outer side of the inner membrane supporting layer, a laminated pre-filtration layer is arranged between the micro-filtration membranes and the ultra-filtration membranes wrapping the inner membrane supporting layer, a PA reverse osmosis membrane wraps the rear parts of the micro-filtration membranes and the ultra-filtration membranes, and a separation net is arranged behind the PA reverse osmosis membrane; due to the synergistic effect of the multiple layers of membranes, the system can treat a more complex and worse seawater environment, and the stability and reliability of the effluent quality are ensured; due to the design of the laminated pre-filtering layer and the separation net, pollutants are effectively prevented from being in direct contact with the membrane holes and blocking the membrane holes, and the stability of the membrane assembly is further enhanced. Due to the introduction of the automatic backwashing device, the automatic backwashing device can be automatically started at regular intervals or according to a water quality monitoring result, the pre-filter is subjected to backwashing, the service life of the pre-filter is prolonged, and the maintenance cost is reduced.
Owner:HUADIAN LONGKOU POWER GENERATION CO LTD

A photocatalytic composite nano-enzyme self-cleaning coating, a preparation method and application thereof

This invention provides a photocatalytic composite nanoenzyme self-cleaning coating, its preparation method, and its application. Specifically, it includes: preparing solution A with Ca(NO3)2·4H2O and nano-cerium oxide; preparing solution B with (NH4)2HPO4 and hexadecyltrimethylammonium bromide; mixing solutions A and B, and reacting at high temperature to obtain cerium oxide nanoenzyme / hydroxyapatite microspheres; and using (NH4)6Mo7O... 24 Solution M is prepared by dissolving Fe(NO3)3·9H2O in deionized water; solution N is prepared by dissolving Fe(NO3)3·9H2O in deionized water; solutions M and N are mixed to obtain a precursor; the precursor is reacted with cobalt oxide at high temperature to obtain Co / Fe2(MoO4)3; tetraethyl orthosilicate, anhydrous ethanol, deionized water, and ammonia are mixed and sealed for aging; after adding a modifier, it is mixed with cerium oxide nanoenzyme / hydroxyapatite microspheres and Co / Fe2(MoO4)3, sprayed onto the obtained composite coating, and cured at high temperature to obtain a self-cleaning coating. This invention, by loading a photocatalyst and nanoenzyme / hydroxyapatite microspheres onto the surface of a modified SiO2 gel, effectively improves the photocatalytic activity and self-cleaning performance of the coating while maintaining good optical transmittance.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Silicone rubber as well as preparation method and application thereof

The invention provides silicone rubber as well as a preparation method and application thereof. The silicone rubber comprises a fluorine-containing unit, and the fluorine-containing unit comprises a first block as shown in a formula 1; wherein R1 is selected from hydrogen, substituted or unsubstituted alkyl of C1-C30 and substituted or unsubstituted aryl of C6-C60, and a1 is greater than or equal to 1. The silicone rubber not only is smooth in surface and free of hand astringency, but also has excellent grease pollution resistance and grease permeation resistance.
Owner:HUAWEI TECH CO LTD

Composite ultrafiltration membrane based on blending modification and surface modification as well as preparation method and application of composite ultrafiltration membrane

PendingCN121972015AOvercoming flux-selectivity trade-offsImprove surface structureWater contaminantsUltrafiltrationAluminum IonUltrafiltration
The invention relates to the technical field of membrane separation, in particular to a composite ultrafiltration membrane based on blending modification and surface modification and a preparation method and application thereof. The method comprises the following steps: firstly, preparing a polydopamine functionalized multi-walled carbon nanotube through oxidation cross-linking auto-polymerization and adhesion of a dopamine compound in an aqueous solution; dissolving a film-forming polymer, a pore-foaming agent and the prepared polydopamine functionalized multi-walled carbon nanotube in an organic solvent, degassing, and preparing a blend film by adopting a non-solvent induced phase separation method; the prepared blended membrane is sequentially and alternately immersed in a tannic acid solution and an aluminum salt solution, a tannic acid-aluminum ion metal phenolic aldehyde network layer is formed on the surface of the blended membrane through a coordination-driven layer-by-layer self-assembly method, and the composite ultrafiltration membrane is obtained. The composite ultrafiltration membrane prepared by the invention has high flux, high selectivity and excellent anti-pollution performance, and is especially suitable for treating and recycling wastewater containing organic macromolecules such as protein, colloid and the like.
Owner:JINAN UNIVERSITY

A hot water boiler based on a porous medium burner

The application discloses a hot water boiler based on a porous medium burner, which comprises a hot water boiler shell, wherein the hot water boiler shell comprises a boiler barrel, the outer side of the boiler barrel is provided with a water jacket for storing water, and the inside of the boiler barrel is fixedly provided with a porous medium burner; the inner cavity of the porous medium burner comprises a combustion reaction zone, the two ends of the combustion reaction zone are provided with anti-backfire areas, the two ends of the porous medium burner are provided with mixed gas inlets, the mixed gas inlets are connected with mixed gas input pipelines, one end of the mixed gas input pipelines extends out of the hot water boiler shell and is connected with a gas fuel supply device; the porous medium burner is internally provided with an ignition device, mixed gas flows into the combustion reaction zone from the mixed gas input pipelines and is ignited by the ignition device, heat generated by combustion of the mixed gas heats water in the water jacket, flue gas is discharged from the combustion reaction zone through the pores of the porous medium of the porous medium burner and is discharged into a flue gas treatment mechanism connected with the hot water boiler shell, the gas utilization rate is improved, and the heat diffusion speed is slowed down.
Owner:XIJING UNIV

Industrial wastewater precipitation separation control system

The invention relates to the technical field of water pollution control and treatment, in particular to an industrial wastewater precipitation separation control system which comprises a shell, a treatment module and a sludge hopper. The sludge hopper is mounted at the lower end of the shell. The treatment module comprises a water passing block, a bottom plate and an inclined plate assembly. The water passing block is installed in the shell. The inclined plate assembly comprises a plurality of inclined plates which are evenly distributed in the circumferential direction of the water passing block, and a spiral channel is defined between the inclined plates and the water passing block. The bottom plate can be mounted between the water passing block and the sludge hopper in an up-down moving manner. According to the industrial wastewater precipitation separation control system disclosed by the invention, when wastewater needs to be treated, suspended pollutants in the wastewater are in full contact with the inclined plate by arranging the spiral, so that the wastewater treatment effect is remarkably improved. When the inclined plate needs to be cleaned, sludge on the inclined plate is cleaned in a vibration mode, surface abrasion of the inclined plate is relieved, the inclined plate can operate more stably, and then the water pollution control and treatment effect is improved.
Owner:BEIJING GUANGHELIETE TECHNOLOGY CO LTD

A method for preparing fossil-based hard carbon material

The present invention discloses a method for preparing a fossil-based hard carbon material, which relates to the technical field of hard carbon materials and includes the following steps: S1: Select fossil-based raw materials, perform preliminary carbonization treatment on the raw materials, and obtain preliminary carbonized materials after grinding and screening; S2: Prepare a first additive for standby use; S3: Prepare a second additive for standby use. The present invention obtains the second additive by mixing wheat flour with a copper precipitation liquid, and after adding the modified additive and mixing with the preliminary carbonized material to obtain a hard carbon material, the wheat flour can be made conductive by mixing the wheat with the copper precipitation liquid after grinding, and at the same time, the natural polyphenols in wheat are used. After the natural polyphenols are mixed with the first additive, they are grafted to the surface of the preliminary carbonized material by cross-linking to form a polymer, so that a large amount of conductive substances exist on the surface of the preliminary carbonized material, and the electroless deposition of copper metal is realized, which effectively improves the performance of batteries made of hard carbon materials.
Owner:SHAANXI PUSTAR ENVIRONMENTAL PROTECTION TECH CO LTD

Green liquid salt and production process thereof

The invention discloses a green liquid salt and a production process thereof, and relates to the technical field of liquid salts.The production process comprises the steps that a metal organic framework is taken and added into a Tris-HCl buffer solution, uniform mixing is conducted, dopamine hydrochloride is added, stirring, centrifuging, washing and drying are conducted, and the metal organic framework of a core-shell structure is obtained; the preparation method comprises the following steps: adding sulfonated polysulfone, a core-shell structure metal organic framework and polyvinylpyrrolidone into N-methyl pyrrolidone, stirring until the materials are completely dissolved, and carrying out ultrasonic treatment to obtain a membrane casting solution; taking the membrane casting solution, pouring on a glass plate, and performing blade coating, water bath, phase inversion and soaking to obtain a nanofiltration membrane; taking brine, adding modified charcoal, adsorbing, and performing ultrafiltration through an ultrafiltration membrane to obtain ultrafiltration filtrate; and carrying out nanofiltration on the ultrafiltration filtrate through a nanofiltration membrane to obtain liquid salt. Sulfonic acid groups introduced into the nanofiltration membrane are negatively charged, and the interception rate of the nanofiltration membrane on sulfate ions, calcium ions and magnesium ions is improved through electrostatic interaction and size screening.
Owner:JIANGSU HUAIYAN MINES CO LTD

Glass cup and processing method thereof

The invention belongs to the technical field of glass cups, and relates to a glass cup and a processing method thereof, an inner sleeve is arranged in an outer sleeve, a cup bottom for sealing the outer sleeve and the inner sleeve is arranged at the bottoms of the outer sleeve and the inner sleeve, a groove is formed in the inner wall of the cup body, and after the outer sleeve and the inner sleeve are bonded, the groove forms a communicating pipeline; compared with a conventional glass cup, the glass cup has the advantages that a straw is saved when the glass cup is used, the glass cup is easy to store, the user does not need to raise the head to drink light drinks when the glass cup is used, the mouth of the user is not prone to being choked, and the user can keep a relaxed posture in the sucking process. And moreover, the ornamental value and entertainment of the glass cup are improved, the reject ratio and the bubble removal effect are effectively reduced in the production process, duplicated production can be achieved, environmental pollution is also improved, and a straw is omitted.
Owner:BAOYINGDA MEIQI IND & TRADE CO LTD

A kind of degradable lambskin fabric and preparation method thereof

The present application relates to the field of textile technology, and more specifically, it relates to a degradable lambskin fabric and a preparation method thereof. A degradable lambskin fabric is woven from a connecting yarn and a blended yarn; the connecting yarn is a tencel filament; the blended yarn is blended by 70-90% shrink-proof wool and 10-30% tencel fiber by weight percentage; the fineness of the blended yarn is (12-18) N / 2; the fineness of each single fiber in the tencel filament is 1.2 or 3 dpf; its preparation method is: weaving the blended yarn and the connecting yarn into a grey cloth; after the grey cloth is subjected to a dyeing process, the grey cloth after the dyeing process is obtained; after the grey cloth after the dyeing process is subjected to auxiliary setting, napping, intermediate setting, combing, shaking, front shearing, back shearing and final setting, rolling to obtain a degradable lambskin fabric. The degradable lambskin fabric of the present application has good warmth retention, high degradation rate, is not easy to shed, and has a good cloth style.
Owner:上海嘉麟杰纺织科技有限公司

Organic waste gas and waste liquid incineration flue gas treatment equipment and system

The invention relates to the technical field of incineration flue gas treatment, in particular to organic waste gas and waste liquid incineration flue gas treatment equipment and system.The organic waste gas and waste liquid incineration flue gas treatment equipment comprises an incinerator, a gas burner is fixedly installed at one end of the incinerator, and an organic waste gas inlet pipe is fixedly installed on the inner wall of one side of the incinerator; a gas inlet channel is arranged at one end of the incinerator, a gas particle separation assembly is arranged at the other end of the incinerator, and an SNCR denitration assembly is arranged on one side of the gas particle separation assembly. A particle separator in the gas backflow chamber firstly separates particles of flue gas, so that the gas enters an SNCR denitration assembly through a right-angle connecting pipe for denitration treatment and enters a nitrogen discharge chamber after being converted into water and nitrogen, and the generated nitrogen enters the gas backflow chamber through a second backflow pipe to perform reverse airflow scouring on the particle separator; and secondary combustion is carried out.
Owner:JIANGSU DELI AIR CONDITIONING PURIFICATION EQUIP CO LTD

An aerospace-terrestrial integration small watershed water pollution monitoring system

This invention belongs to the fields of water environment monitoring, watershed pollution simulation, and smart water management. Specifically, it provides an integrated air-space-ground small watershed water pollution monitoring system, comprising: an airborne monitoring module for collecting spatial distribution data of water quality across the entire small watershed; a ground-based monitoring module for collecting continuous temporal water quality and hydrological baseline data of the small watershed; a multi-source data management module for data processing; a model engine module for constructing and running a distributed hydrological and water quality mechanism model of the small watershed; an adaptive parameter optimization module for automatically calibrating and dynamically updating the parameters of the distributed hydrological and water quality mechanism model of the small watershed; an early warning and source tracing module for obtaining early warning and source tracing results; a long-term prediction module for obtaining water quality prediction results; and a visualization decision module for displaying early warning and source tracing results as well as water quality prediction results. This invention realizes the monitoring, early warning, source tracing, and long-term prediction of water pollution in small watersheds.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI