3345results about How to "Solve environmental problems" patented technology

The invention relates to a porous metal organic framework material based on transition metal cobalt and a preparation method thereof. The metal organic framework material is a compound with supramolecular porous network structure and formed by self-assembly of metal ions and organic ligands through coordination complexation. The porous cobalt-based metal organic framework material contains one or more metal ions, and one or more organic ligands; and at least one of the metal ions is Co (II). The porous cobalt-based organic framework material has excellent selective adsorption on CH4 in a separation process of CH4 and N2; and the advantage of adsorption selectivity on CH4 is particularly evident under low pressure. The material is particularly suitable for development and recovery of oil field gas, coal bed methane and biogas.

A full nutrition fertilizer of biology type and its producing method belongs to organic complex fertilizer field in biology type. The components of the full nutrition fertilizer is 20-50% of organic waste liquid, 10-30% of urea, 8-15% of diammomium phosphate, 10-25% of potassium sulfate, 5-20% of medium trace element, 1-5% of microbial inoculum, 0-0.2% of root-promoting agent; 0-2% of solutizer, effective viable count content of the microbial inoculum of more than 1010/g. The fertilizer is produced by adding the urea, diammomium phosphate, potassium sulfate, medium trace element, root-promoting agent, solutizer into organic waste liquid and blending uniformly, then adding microbial inoculum. The invention uses the wastes to produce fertilizer with a low cost a high availability and a good prospect in the fertilizer industry. The fertilizer can be widely applied to the vegetables, melon and fruits, food, tobacco, forests and different commercial crops.

A method of preparing a polycrystalline silicon for solar batteries adopts combined means of silicon monoxide disproportionation, acid dipping separation and vacuum melting and processes by the following procedures: (1) the silicon monoxide is made from chemical pure industrial silicon and high purity sand quartz. (2) the high purity silicon is obtained by disproportionation of the silicon monoxide. (3)impurities boron and phosphorus in the silicon are removed by soaking with aquafortis. (4) the high purity silicon is further purified by melting of a vacuum electro beam furnace, and parts with impurities heavily gathered in a cast ingot are cut. (5) nitrogen or nitrogen plus hydrogen is fed into a plasma furnace for melting, so as to further remove the rest boron, phosphorus and other impurities, and conduct directional solidification. (6)the outer skin and parts with impurities heavily gathered of the cast ingot are cut, and finally the high purity silicon which is above 6N pure and applicable to solar batteries is obtained. The invention rejects the technical route of the Siemens method, prevents environment pollution, improves safety of production, and is good for promotion and application in China.

The invention discloses a scene generation system and method for autonomous vehicle measurement. The system comprises a testing content generation module, a testing site library, a testing site layoutmodule, and a testing route generation module. The testing content generation module is configured to acquire testing demands and generating corresponding testing contents according to the testing demands; the testing site library is configured to store characteristic information of testing sites; the testing site layout module is configured to selecting the testing site matched with the testingcontents according to the characteristic information of the testing sites, and generating and outputting testing layout parameters of the testing site; the testing route generation module is configured to generate and output corresponding testing route data according to the testing contents and the testing site selected by the testing site layout module. According to the scene generation system and method for autonomous vehicle measurement, corresponding measurement scenes can be generated and provided for testing of autonomous vehicles according to actual testing demands.

The invention relates to a preparation of an active carbon fiber-metal organic framework composite material for adsorbing and separating gases. The preparation comprises the following steps: covering surfaces of active carbon fibers with a metal precursor by utilizing a homogeneous precipitation method, coordinating and complexing the metal precursor and an organic ligand at the surface of the surfaces of the active carbon fibers under a water or solvent thermal condition to form a metal organic framework structure, so that the compounding of the active carbon fibers and the metal organic framework material is finally realized. The preparation process of the active carbon fiber-metal organic framework composite material is simple, the reaction condition is moderate, the material property is stable, and the active carbon fiber-metal organic framework composite material has a porous structure. The composite material has apparent selectively adsorption performance for CH4 and CO2 in the adsorption and separation process of the gases such as CH4/N2, CO2/CH4, CO2/N2, CO2/CH4/N2 and the like, and is particularly suitable for separating low-quality methane gas, purifying high-concentration methane and capturing CO2.

The invention relates to a wireless image transmission communication system for an unmanned aerial vehicle and a wireless image transmission communication method. The wireless image transmission communication system comprises a digital camera, a control module and a power module, and is characterized in that the wireless image transmission communication system further comprises a wireless communication module for real-time data transmission with a ground monitoring center, the wireless communication module comprises a reconfigurable high-speed digital modulation unit and a digital transmission transmitter, the reconfigurable high-speed digital modulation unit is used for selecting a digital modulation mode to digitally modulate serial data stream according to the modulation mode of a remote control command of the ground monitoring center, the digital transmission transmitter is used for transmitting data by the aid of microwaves, and the reconfigurable high-speed digital modulation unit comprises a series-to-parallel portion, a sampling control portion and a carrier wave multiplication portion. By adding the reconfigurable multi-mode modulator, modulation modes can be changed in an online manner according to the quality of a signal channel environment, and high-resolution image data can be transmitted in real time even in a severe transmission environment.

The invention relates to a method by which gold can be extracted form waste circuit boards. Secondary acid dipping can be used for pre-processing metal particles of waste circuit boards. A first leaching uses mixed acid solution of nitric acid and sulphuric acid to leach out base metals which mainly is copper and can be used for wrapping gold in circuit boards. The diluted nitric acid solution can be used for dissolving out base metals secondarily to create favorite condition for the following gold extracting. A little nitrogen oxides can be absorbed by water, and then non-cyanogen complexing agent thiourea can be used for selectively leaching out gold and silver; finally, base-metal ferrous powder can be used for displacing gold and silver form the leaching solution, thereby realizing the source recycling of gold and silver. With simple equipment and convenient operation, the method has great potential in industrial promotion. The invention recycles copper and silver when gold is extracted form waste circuit boards, thereby having considerable economic, social and environmental benefits.

The present invention discloses a filling device and filling process, wherein the filling device includes: a deep cone thickener used for storing and concentrating tailing paste; a cementing material storehouse used for store cementing material; a stirring device used to receive concentrated tailing paste and cementing material from the deep cone thickener and the cementing material storehouse to mix them and stir to obtain filling paste; and a conveyer used for receiving filling paste from the stirring device and conveying the filling paste to mine goaf. By using deep cone thickener, the filling device through the invention has better concentrating efficiency, higher concentrating degree without using a filter for moisture abstraction operation to concentrated tail paste, hence the device is simple and cost low.

The invention relates to a preparation method for a deicing, antiskid and denoising asphalt pavement material. The method is characterized by comprising the following steps: 1) preparation of rubber modified asphalt with high viscosity and high elasticity; 2) preparation of an organic/inorganic ice inhibiting material; 3) selection of mineral aggregate gradation; 4) preparation of the deicing, antiskid and denoising asphalt pavement material, which is realized by preparing mineral aggregate, the rubber modified asphalt with high viscosity and high elasticity, the organic/inorganic ice inhibiting material and fibers according to a mass ratio of 100: 4.8-5.1: 1.05-2.1: 0.225-0.533, heating the rubber modified asphalt with high viscosity and high elasticity at a temperature of 165 to 175 DEGC, and mixing and stirring the mineral aggregate, the rubber modified asphalt with high viscosity and high elasticity, the organic/inorganic ice inhibiting material and the fibers at a temperature of180 to 190 DEG C for 60 to 90 s, with paving temperature being 165 to 180 DEG C, so as to obtain the deicing, antiskid and denoising asphalt pavement material. The asphalt pavement material prepared by using the method has the characteristics of ice removal, skid resistance and noise reduction.

The present invention discloses a preparation method of graphitized carbon nano material which relates to a preparation method of carbon nano material. Problems like high cost and environment pollution in existing graphitized carbon nano material process are solved through the invention. The method is as following: 1. pretreatment of carbon source; 2. energizing agent in solvent and carbon source after pretreatment; 3. pre-carbonization; 4. heat treating; 5. acid treatment; 6. physical activation or chemical activation. The invention has features like simple process, little pollution to environment, low cost, simple equipment and easy commercialization.

The invention discloses an oil-water separator comprising a water inlet, a water outlet, a container, a movable filter residue bucket, a fixed filter net, an oil storage area, a vortex shallow filter, a sludge bucket, an electronic integration controller, an oil suction port, a slag suction port and a biological filter disc, wherein the fixed filter net finely filters the wastewater; an oil drop of which the diameter is 10-100 microns is separated and ascended to the oil storage area in the vortex shallow filter; the sludge bucket concentrates the waste residue; the waste residue descends to the bottom of the sludge bucket to be gathered under the effect of gravity after participating on the sludge bucket; the oil suction port is used for absorbing oil; the slag suction port is used for absorbing the slag; the biological filter disc is used for discharging the residual sewage. By adopting the oil-water separator, the environment-friendly problem of emission of restaurant waste water is solved, so that the discharged water achieves the corresponding national emission standards, the congestion problems of drainage pipelines caused by waste oil wall built-up are solved, separated excessive oil impurities are solved, and the processing link of restaurant waste oil in specified use is reduced.

A binding agent for iron ore pellet is composed of raw materials in the following percentage by weight: 20-70% sodium bentonite, 30-79% dressing ore tailings with ascharite and 1-10% addition agent. The mesh size is smaller than 200 after being grinded. The invention can totally replace alta-mud to pelletize, wherein the content of Si is far lower than alta-mud, which not only can improve the grade of pellet ore, but also significantly improves the high temperature metallurgical property. The invention fully utilizes stacked dressing ore tailings, and solves the problems of the application of tailings and environment protection.

The invention discloses a sucking feed for leeches, which relates to the technical field of feedstuff. The sucking feed is prepared from the following components in percentage by weight: 55-80% of fishmeal, 5-15% of conch meal, 5-10% of soymeal, 1-5% of germ meal, 3-5% of blood meal, 1-5% of yeast and 1-2% of chitosan and colloid protein. The preparation method comprises the following steps: preparing raw materials, tedding, preliminary cleaning, grinding and mixing. The sucking feed provided by the invention significantly improves the feeding strength of leeches, promotes the growth of leeches, improves the yield of leeches and the survival rate of young leeches, improves the utilization rate of the feed, improves intestinal micro environment of the leeches, stimulates the leech bodies to emerge strong immune and stress response and improves the immunity and quality of the leeches.

The invention discloses a resource utilization type steel-slag concrete. The resource utilization type steel-slag concrete is characterized in that the volume weight is 2400 -2600kg/m3, and the raw material components and the weight part of each component based on the mass percentage of cement are as follows: 1.000 parts of cement, 0.300-0.350 parts of mineral powder, 0.350-0.400 parts of coal ash, 0.100-0.150 parts of steel-slag fine powder, 1.300-1.650 parts of steel-slag fine aggregate, 1.400-1.900 parts of steel-slag rough aggregate, 2.000-2.200 parts of sand, 3.200-3.450 parts of broken stone, 0.700-0.900 parts of water, and 0.015-0.025 parts of additive. In comparison with the normal concrete, the resource utilization type steel-slag concrete provided by the invention has the advantages that the total content of solid wastes such as steel-slag and coal ash is higher than 30%; with the adoption of the industrial solid slag, the additional value is enhanced, the production cost is reduced, and meanwhile, the environmental problem is solved; the prepared concrete has good compactness and excellent mechanical property.

The invention relates to a centralization remote power feeding system including a primary device machine room arranged with wireless primary devices and power supply primary devices, which include an inverter and a transmission primary device for converting the external electricity 380 V industrial electricity into the -48 to 24 V DC to access to the wireless primary devices to cause the wireless primary devices operate normally; the -48 to 24 V DC is converted to the 220-380V AC through the inverter of the power supply primary devices, then the power is transmitted to the farend unit of the farend covering system of the base station part newly built through the common rod transmission mode of the power transmission line and the optical fiber transmission line, providing the stable power to the farend unit, thereby completing the construction of the whole base station. The invention reduces the building size of the base station, saves the project invest and advances the net operation safety reliability, which is applied in the signal covering of the road, the subway , the tunnel of the city and the small countryside base station.

The invention discloses a formation method of two-color or multi-color jacquard warp knitting cloth. The warp knitting cloth is knitted on a jacquard warp knitting machine. The formation method comprises the following steps that (1) jacquard patterns are designed by the adoption of a computer; (2) knitting is prepared; (3) parameters are input to the jacquard warp knitting machine, knitting is achieved through the machine, and the warp knitting cloth with preset patterns is obtained. The knitted warp knitting cloth can be of two colors or multiple colors, yarns in each color independently form jacquard and other patterns, the appearance is attractive, and the problems of cost and loss increasing, environmental protection, the physical property, quality and the like caused by the fact that the two colors or the multiple colors of the warp knitting cloth is obtained by the adoption of post processing are resolved. Meanwhile, more than seven yarn guide bars are adopted to knit, the formed warp knitting cloth not only has the function of irregular pattern jacquard but also displays different colors of different patterns, patterns of a cloth cover of the warp knitting cloth are complex and changeable, the different colors are mutually combined to form the cloth cover with distinct levels and distinguished in flexibility.

The invention discloses a preparation method and application of a cadmium sulfide/graphite like carbon nitride (CdS/g-C3N4) composite visible light catalyst. The preparation method of the catalyst is a chemical precipitation method which is performed in an alkaline environment, wherein g-C3N4 is taken as a matrix, and CdCl2 and Na2S are taken as raw materials. The weight ratio of CdS to g-C3N4 in CdS/g-C3N4 is (1:2)-(5:1), and when the composite visible light catalyst is used for visible light catalysis treatment of methylene blue and methyl violet solutions, a better degradation effect can be obtained; and furthermore, the catalyst can still keep higher catalytic activity after being reused for five times. The composite visible light catalyst disclosed by the invention has important significance for development of the visible light catalyst, and also has good application prospects in treatment of dye wastewater.

The invention discloses a refrigerating/heating system of an air-conditioner of an LNG (Liquefied Natural Gas) power-driven vessel; the refrigerating/heating system comprises an LNG vaporization loop, an ice storage circulation loop, a heat recycling loop and a seawater loop. In summers, a two-stage refrigerant and cold energy transferring manner is adopted, cold energy produced by the LNG vaporization during the running of the LNG power-driven vessel is recycled and stored in a cold and heat accumulating device and used as a cold source of an air-conditioning system to meet the cold supplying demand of vessel cabins; in winters, the vaporized LNG enters a power system of a vessel main engine and is combusted to generate a large amount of residual heat for recycling, and the residual heat is used as a heat source of the air-conditioning system to meet the heating demand of the vessel cabins. The cold energy produced during the LNG vaporization and the heat capacity released during combustion are used as the cold and heat sources of the air-conditioning system; therefore, not only the cold and heat demands of the vessel cabins are solved, but the large amount of investment in the refrigerating unit of the air-conditioning system of the vessel is saved; and meanwhile, the refrigerating/heating system solves the mismatching of the LNG vaporization capacity and cold/heat capacities the technical bottleneck of the non-synchronization between the vaporization time and the cold/heat utilization time.

The invention provides a preparation method of a lightweight water-resistant paperbacked gypsum board. The preparation method at least comprises the following steps of (a) scattering desulfurized gypsum, and carrying out stir-frying to obtain calcined gypsum powder; (b) sufficiently mixing coal ash and the calcined gypsum powder, grinding and modifying to obtain clinker; (c) mixing water, a foaming agent, hydrogenated silicon oil, modified starch, STMP powder and paper fibers into the clinker, and sufficiently stirring to obtain uniform slurry; (d) continuously pouring the slurry between two layers of surface protective paper, and carrying out extrusion molding to obtain a wet gypsum board; and (e) solidifying the wet gypsum board, cutting off, drying, and sawing edges to obtain a finished product of the paperbacked gypsum board. The preparation method has the advantages that the aim of comprehensively utilizing resources is achieved, and the prospects of low carbon, energy saving and environment protection of a novel building material are realized. The weight of the unit area of a water-resistant board is reduced, the production cost is reduced, and the water resistance and strength of the board are improved.

The invention relates to a network safe simulation system and relative imitation method. The logical function of said network safe simulation system comprises: a virtual network module, a attack-defend dynamic chain connection base, a system control module, and a display module, while said logical functions are displayed by the control layer, virtual network device layer, public interface layer, middle layer and bottom function base. The virtual network device can simulate the host machine, router, firewall, network card, concentrator, and network wire on the single machine to connect each virtual network device to form the virtual network. The process that using said virtual network to process the safe simulation comprises: first, setting the user program; distributing system parameter document; coding the system; imitated operating the coded system in the operating system; at last collecting the simulated data according to which makes the network safety analyst. The invention has easy operation and extended availability, which can be used as network safety research simulation environment and imitation platform.

The invention relates to a multifunctional road detection device and a test method for tires. Two suspension systems and two tire steering mechanisms of the multifunctional road detection device are arranged on a frame and are respectively independently connected with the tested tires on two sides of the multifunctional road detection device, so that the tires can be independently steered and can be adjusted in internally gathered or externally scattered states, and lateral inclination angles of the tires can be adjusted. The multifunctional road detection device and the test method have the advantages that data of rotation angles, lateral force, longitudinal acceleration, lateral acceleration and the like of the tires can be acquired by various relevant sensors during driving, so that mechanical properties of the tires under on-site road conditions can be detected; the problem of difficulty in simulating actual service road surfaces by existing indoor detection devices for tires and problems of unbalanced force under lateral deviation and lateral rolling working conditions and single detection working conditions of existing outdoor detection devices for the tires can be solved; the multifunctional road detection device is simple in structure and easy to control and adjust.