77results about How to "Significant society" patented technology

The invention relates to a technical method for the reconstruction of a stable vertebral column after a vertebral column resection operation. The method comprises the following steps of performing CT (computed topography) and data acquisition on a personalized vertebral column, outputting CT data in a Dicom format, three-dimensionally calculating and establishing a 3D (three-dimensional) vertebral column model, outputting the 3D vertebral column model to a 3D printer in an STL (standard template library) format, and molding a cellular bionic vertebral column by using a titanium printing material with a melting point of 1,668+ / -4 DEG C, wherein the sizes of gaps in the cellular bionic vertebral column are 100 mu m. Compared with the prior art, the method has the advantages that a personalized column body prepared before the operation is directly used for replacing a symptomatic column during the operation, so that the operation time is greatly shortened, bleeding during the operation is reduced, and the incidence rate of various complications during the operation is lowered.

The present invention discloses a series-connected sludge anhydration system by utilizing waste heat of steam-power plant smoke. Said series-connected sludge anhydration system includes heat supply system, sludge pretreatment system, feeding system, sludge anhydration and granulation system and dust-removing and gas-removing system.

The invention discloses an amphibious floating island suitable for a riparian zone. The amphibious floating island comprises floating bed units and fixing devices, wherein the fixing devices are fixedly arranged along the embankment direction, a plurality of floating bed units are longitudinally and horizontally arranged along the bank, and adjacent floating bed units are in flexible connection with each other through a rope lock. The invention also discloses a construction method of a revetment applying the amphibious floating island. The construction method mainly comprises the steps of fixing the floating island at the highest water line in the riparian zone of a reservoir, and arranging emergent aquatic plants which accord with the regional characteristics of the Three Gorges reservoir region on the floating island. The floating island is simple in structure and flexible in application, and can produce a corresponding 'bending' phenomenon in the process of matching with the increase amount of water level. The emergent aquatic plants on the floating island can satisfy the requirement on improvement of the ecological environment of a water body, and afforest the bare riparian zone when the water level falls without secondary pollution, so that the amphibious floating island has an eco-friendly effect, and is especially suitable for littoral zones with great water level fluctuation.

The invention provides an optical fiber sensor system for monitoring a well wall and a deformation early warning method. The optical fiber sensor system comprises distributed optical fiber sensors, fiber bragg grating strain sensors, external fiber bragg grating temperature sensors, an optical cable, a distributed optical fiber demodulation instrument, a fiber bragg grating demodulation instrumentand a computer. The several distributed optical fiber sensors, the several fiber bragg grating strain sensors and the several external fiber bragg grating temperature sensors are arranged on the internal surface of the well wall. The several distributed optical fiber sensors are connected to the distributed optical fiber demodulation instrument through the optical cable. The distributed optical fiber demodulation instrument is connected to the computer. The fiber bragg grating strain sensors and the external fiber bragg grating temperature sensors are connected to the fiber bragg grating demodulation instrument through the optical cable. In the invention, grouting pressure on the inner layer of the well wall , the deformation of the inner layer of the well wall and a well wall temperaturecan be monitored.

The invention relates to a double-buffer ping-bang parallel-structure image processing optimization method based on DMA (direct memory access). The method comprises the following steps: a DSP (digital signal processor) is externally connected with an SDRAM (synchronous dynamic random access memory), images to be processed are stored in the SDRAM, dividing the image data in the SDRAM into 2N image bands, opening up odd-even buffer areas for storing odd-even image band data in the DSP, then utilizing fast data transmission capability of the DSP and a parallel working mode of a DMA controller and a CPU (central processing unit) to realize optimization processing for the images stored in the SDRAM. In the double-buffer ping-bang parallel-structure image processing optimization method, the utilization ratio of the CPU and the DMA controller is effectively improved, the operation speed of image processing algorithm is accelerated, the performance of the DSP in the aspect of real-time image processing is improved, and the method can be widely applied in the fields of real-time image processing, such as scene matching, image fusion and target tracking and the like, and also can be used for the field of military.

The invention provides a cementing material containing silicon-calcium slag and a preparation method thereof. The cementing material comprises the following components in percentage by weight: 30-65 percent of the silicon-calcium slag, 5-40 percent of coal powder ash, 10-30 percent of cement clinker, 5-30 percent of pelletized blast furnace slag, 3-10 percent of gypsum and 0.5-3 percent of an additive. The preparation method comprises the following steps: mixing the silicon-calcium slag, the coal powder ash, the cement clinker, the pelletized blast furnace slag, the gypsum and the additive to obtain a mixture; and grinding the mixture to obtain the cementing material. The cementing material provided by the invention has high early strength and high later strength. In particular, the cementing material is prepared of solid wastes such as the silicon-calcium slag and the coal powder ash, so that environmental protection is facilitated, and resources are saved.

The invention relates to a formula and a process for producing special PE / waste tyre gelatine powder materials. High-efficient recovered powdery activator is adopted to properly activate the surface of the gelatine powder; then, proper amount of reactant and compatibilizer are added to mix with PE, and the materials react with each other and are blended and extruded out, and finally the special PE / waste tyre gelatine powder with excellent comprehensive performance is achieved. The raw materials include: PE which comprises LDPE, HDPE and reclaimed PE, and the like; waste tyre gelatine powder (grain size: 40-100 meshes); high-efficient recovered powdery activator WR510; the reactor and compatibilizer which are dicumyl peroxide (DCP) and maleic anhydride (MAH) or PE-g-MAH; antioxidant 1010 and antioxidant 168. The invention has the advantages of high pressure, high temperature, strong shearing, airtightness, high production efficiency, environment friendly features, relatively low production cost, and the special PE / waste tyre gelatine powder materials made by the method can meet the requirements of actual engineering.

A low-pressure thermoshrinking material is prepared from waste plastics, LLDPE, EVA, EPT rubber, chlorosulfonated polyethylene, zinc stearate, carbon black, aluminium hydroxide, silane coupling agent, flame-retarding agent FR-E, antioxidant 1010 and light-resisting ageing agent Gw-540.1 through mixing and cross linking.

The invention discloses an urban underlying surface rainfall runoff infiltration simulation experiment system and relates to the technical field of rainfall flood management. An artificial rainfall system is arranged above an infiltration bed; a rainwater measuring system and a water quality monitoring system arranged on the infiltration bed are connected with a computer software simulating system; the infiltration bed is formed by an infiltration bed device, an independent experiment trough, a concrete foundation and an I-beam truss structure; the rainwater measuring system is formed by a double-ring permeameter, a soil moisture content testing instrument and an electromagnetic flowmeter; the system is matched with corresponding computer simulation software, can perform mutual verification with an experiment simulation system, can evaluate the risk level of rainstorm in a small river basin, which causes urban water logging, and can realize emission reduction and dispersed storage and delay of urban rainfall runoff. The system can provide early-stage experiment support for the development of cities, and is steady and reliable, strong in practicability and easy for promotion and application.

The invention provides a treatment method of Ni and Pb contaminated soil remediation. The treatment method comprises the following steps: (1) carrying out acid pickling pretreatment on taken steel slag raw materials, and then taking out, and drying for later use; (2) grinding and sieving the spare steel slag raw material to obtain steel slag granules; and (3) adding the steel slag granules into nickel and lead-containing contaminated soil, adding water and mixing and stirring, and then backfilling the processed soil to original contaminated sites, and naturally curing. According to the treatment method of Ni and Pb contaminated soil remediation provided by the invention, after a small amount of steel slag raw material is subjected to acid pickling treatment, the porosity can be increased and the opportunity of contact between a medicament and a pollutant is improved; meanwhile, the steel slag granules used as a loose and porous silicate-containing substance with a large specific surface area and heavy metals generate ion exchange, surface coordination and co-precipitation and other effects to reduce the effectiveness of the heavy metals in soil together. The method has the advantages of simple process, low cost, good stability, and good economic, social and environmental benefits, and capability of turning waste into treasure.

The invention belongs to the technical field of environmental protection processing devices, and relates to an air flow and machinery double-boosting internal circulation-type high suspension solid anaerobic digestion device. The device comprises a material charging pipe, an internal cylinder section, an external cylinder section, a three-phrase separation section, a mixing section, a water discharging pipe, a sludge discharging pipe, a methane collecting pipe, a sampling detection port and the like. The material charging pipe sends suspension solid to the internal cylinder section directly; in the internal cylinder section, anaerobic sludge and the suspension solid are mixed and elevated through double power actions of generated rising methane air flow after reaction and mechanical blade boosting; then the mixed liquid goes into the three-phrase separation section; in the three-phrase separation section, waste water overflows and is discharged by the water discharging pipe, methane rises up and goes into the methane collecting pipe, the sludge settles and goes into the mixing section through the external cylinder section, part of the sludge goes into the internal cylinder section under the action of the above thrust and forms internal circulation, and the excess sludge is discharged by the sludge discharging pipe. The device can be used for processing of waste water containing high suspension solid, residual sludge, household garbage and the like. The device has remarkable social, environmental and economic benefits.

A dual-engine car has a big engine for high-speed running, a small engine for low-speed running, oil tank for both engines, wheels, speed variator, power compounding unit whose two input axles are connected to output axles of big and small engines, and controller. Its advantages are simple structure, saving oil, and low environmental pollution and cost.

The invention relates to an extraction method of a heparin sodium crude product, which comprises the steps that a raw material from a fresh pork lung or a thawy pork lung is minced into a pasty material; a cell activator is added for catalysis; biological enzyme enzymolysis, decontamination, separation and filtering are performed; a solution containing heparin sodium is obtained; resin adsorption, elution, organic solvent precipitation and drying are performed; and the heparin sodium crude product is obtained. The extraction method of the heparin sodium crude product can improve the product quality, can increase an effective yield, can lower the production cost, is suitable for industrial production, reduces waste emission, and has social, environmental and economic benefits.

The invention discloses a backstopping-separating-backfilling-roadway retaining mining method for mine mining and beneficiation. According to the invention, gangue separated from coal gangue is used as a backfilling material for backfilling of a working surface, roadways are retained along the edges of goafs, and gangue walls are built as support bodies for the roadways retained along the goafs toreinforce and support the roadways and to ensure the stability of the roadways; and the roadway retained along the goafs are used as transportation roadways for the backfilling materials and coal, socoal mining without coal pillars is realized in a mining area. Since the gangue separated from coal gangue in the mining area is used as the backfilling material, the requirements of environmental protection are met; through organic combination of three major systems for coal gangue separating, backfilling mining and retaining and supporting of the roadways along the goafs, respectively, a complete cycle of the backstopping-separating-backfilling-roadway retaining mining method is formed; process is simple; the matching between retaining of roadways along goafs and backstopping, separating and backfilling is realized; various coal pillar resources are recovered, and the solid gangue waste in the mining area can be reasonably treated, so the recovery rate of coal resources is improved; andthus, the method effectively solves the problem of shortage of coal resources and difficulties in efficient mining of mines, and improves the safe production efficiency of coal mines.

The invention discloses a system and method for treating haze by flue gas dried sludge. A thermal power plant boiler is sequentially connected with a first electric gate valve, a first exhausting pipeline, a multi-pipe cyclone dust remover, a second exhausting pipeline, a first draught fan, a gas outlet and a sludge drying and granulation all-in-one device; a double-spiral quantitative sludge feeding machine arranged at the bottom of a buried sludge storage cabin is sequentially connected with a spiral conveyor, a feeding hole and the sludge drying and granulation all-in-one device; a gas outlet of the sludge drying and granulation all-in-one device is sequentially connected with a third exhausting pipeline, a second electric gate valve, a dust removing device, a desulfurization device, a second draught fan, a fourth exhausting pipeline and a chimney; and a discharging hole of the sludge drying and granulation all-in-one device is sequentially connected with a sealed type belt conveyor and a finished product cabin. By virtue of the system, the pollution load is reduced, and the dust removing and desulfurization effects are improved, and particularly, almost PM2.5, which is difficult to remove by existing dust removing equipment, is adsorbed by the sludge, so that the effect of managing the haze from the source is realized.

The invention discloses a green mixed fertilizer. The green mixed fertilizer is prepared from the following raw materials in parts by weight: 80-90 parts of rape seed cake, 50-55 parts of biogas residue, 10-12 parts of tobacco waste, 20-23 parts of zeolite powder, 40-45 parts of ammonium chloride, 24-27 parts of potassium phosphate, 35-38 parts of urea, 12-14 parts of potassium sulphate, 2-3 parts of magnesium sulfate, 2-3 parts of polyethylene glycol, 1-2 parts of polyvinyl alcohol, 1-2 parts of tween 80, 3-4 parts of EM bacterial agent, 4-6 parts of film coating agent and a proper amount of water. The fertilizer, which is prepared by means of mixing organic raw materials like rape seed cake, biogas residue and tobacco waste with inorganic raw materials and then fermenting, not only has inorganic nutrients like nitrogen, phosphorus and potassium, but also has a plenty of microelements and organic substances, contains beneficial microorganism, can improve soil structure, has functions of absorbing water, retaining water and fertilizer, breathing freely and improving the ecological environment of local soil, can improve the utilization rate of the fertilizer, increase plant yield, improve plant quality, realize the high quality and yield of plants, and has remarkable social, environmental and economical benefits.

The invention relates to a cadmium passivating agent with an improved soil function and a production method thereof. The production method comprises the following steps: pre-processing crop straw, preparing a fulvic acid mixture, mixing, drying and the like. According to the cadmium passivating agent disclosed by the invention, the effectiveness of cadmium in soil can be greatly reduced, and the absorption amount of the crop on the cadmium is reduced; moreover, the physical and chemical properties of soil and the soil fertility are improved at the same time, and the cadmium passivating agent has generality. The cadmium passivating agent disclosed by the invention has an important application and popularization value in a high-risk area of out-of-standard cadmium content of soil and a cadmium middle-pollution and mild-pollution area, and has very remarkable social, ecological and economic benefits.

The invention discloses a chromium-polluted soil total-chromium ex-situ treatment method. The chromium-polluted soil total-chromium ex-situ treatment method comprises that Cr(VI), Cr(III) and Cr(III) complex are subjected to staged leaching by two extracting agents, and concretely comprises carrying out leaching on high-water solubility Cr(VI) and hydrous Cr(III) by a first-grade leaching unit adopting a sodium hydroxide-EDTA-2Na mixed solution as the extracting agent, carrying out leaching on Cr(III) and its complex by a second-grade leaching unit adopting a citric acid-sulfuric acid mixed solution as the extracting agent, adding a proper amount of a conditioning agent into the leached soil, carrying out full stirring, carrying out backfilling, treating the leached supernatants obtained by the leaching units, and feeding the leached supernatants back to the corresponding leaching units. The chromium-polluted soil total-chromium ex-situ treatment method can remove Cr(VI) pollutants in a polluted place, guarantee total chromium content level reaching the standard and realize thorough treatment on Cr pollution in the place and has no secondary pollution hidden trouble.

The method of treating high concentration organic waste water includes eliminating sand and slag, and flocculating deposition to separate, as well as microbial degradation and catalytic oxidizing degradation in an integrated degrading tank, and electrolyzing oxidation degradation. After depositing separation, the sludge is incinerated and the catalytic oxidant is regenerated for reuse. The treated waste water is drained or reused. The present invention integrates various water treating modes, physical, biological, chemical, electrochemical, etc. and has high waste water purifying effect.

A turning method for manufacturing the large rudder lever of 300000-ton-class oil tanker includes such steps as rough machining it on a ground borer, installing the tail of rudder lever to the bottom plate of fixing mechanism, installing the balance weight to another side of said bottom plate, fixing the rudder lever to bull-nose lathe via said bottom plate, using two adjustable supporting rings to support the middle of rudder lever, using hydraulic supporting rollers to support the disk chuck of bull-nose lathe, and turning.

The invention provides a method for strengthening carbon dioxide absorption with an ionic liquid-containing emulsion liquid membrane in coupling micro-fine calcium carbonate synthesis. A water-in-oil-in-water emulsion liquid membrane dispersion system containing the ionic liquid is prepared; the absorption rate of the carbon dioxide by an absorbent is strengthened by dispersing oil droplets; meanwhile, the mass transfer of the carbon dioxide in the liquid membrane is quickened and promoted by using the ionic liquid with high solubility to the carbon dioxide in the oil membrane, so that the carbon dioxide enters an internal water phase containing calcium hydroxide, further the carbon dioxide and the calcium hydroxide react to produce calcium carbonate; the fine calcium carbonate particles are prepared under the condition that the internal water phase space is used as a soft template under the limitation of the size of the internal water phase droplets. According to the method, the gas-liquid interfacial turbulence is strengthened by using the turbulence of the dispersed droplets in the gas-liquid interface, and the surface renewal is quickened, so that the mass transfer speed is improved.

The invention relates to technology for strongly oxidizing and roasting chromium-containing materials, which mainly comprises: adding calcined soda and a catalyst into the chromium-containing materials for uniform mixing; performing strong oxidizing roasting on mixed material pellets after using water to perform granulation on the mixed materials; and leaching oxidized and roasted clinker to obtain chromium lixivium and leached slag. The technology has the advantages of high oxidation rate and conversion rate of chromium, complete separation of the chromium and the slag, low content of the chromium in the leached slag, easy comprehensive utilization and so on, overcomes the defects of low chromium recovery rate, large chromium slag amount, high chromium content and heavy pollution in the prior process for producing chromium salt, can safely, economically and effectively treat a great deal of the prior high-toxicity chromium-containing waste, realizes harmlessness of the chromium-containing materials when simultaneously reclaiming the chromium, eliminates chromium pollution during production, and has obvious social, environmental and economic benefits.

The invention provides a method for treating and recycling coking wastewater. The coking wastewater is separated to obtain upper clear water after oil removing, air flotation, equalizing, anaerobic treatment, aerobic treatment and sedimentation treatment, the upper clear water is separated to obtain upper clear water after microwave treatment, a coagulation reaction and sedimentation, a part of the upper clear water achieves a recycled water standard of CEC 61:94 after sand leach treatment to become first recycled water and is recycled as cooling water, and the rest of the upper clear water achieves an industrial water quality standard specified by B50050-2007 after desalination treatment to become second recycled water and is recycled as supplement water. Separated sludge is mixed and sediments to be filter-pressed into cakes, and the cakes are returned to coal blending and take part in coking. The coking wastewater is all recycled in branch points and branch areas inside integrated steel and iron enterprises, zero-discharging is achieved, and the problems in current coking wastewater of being hard to treat and recycle are solved. The wastewater can not pollute environment anymore, resource recycling of wastewater is achieved, and fresh water supplement quantity is reduced.

The invention discloses a phosphoric acid excited magnesium-rich nickel slag geopolymer cementing material and a preparation method thereof. The cementing material is composed of magnesium-rich nickel slag and fly ash, and the cementing material is mainly composed of, by weight, 50-90 parts of magnesium-rich nickel slag, 50-10 parts of fly ash, 10-20 parts of phosphoric acid, and 20-40 parts of water. The magnesium-rich nickel slag with complex components and the fly ash can be directly used for preparing the cementing material, the cementing material with excellent comprehensive performances such as compressive strength is finally obtained by controlling the ratio of the raw materials, and the cementing material can be used as an admixture of cement and can also be used as a cementing material of concrete. According to the invention, the solid waste cementing material excited by acid is utilized, and the method has the advantages of simple processing technology, environmental protection, low energy consumption and low cost, and can show better compressive strength.

The invention discloses a method for recycling and comprehensively utilizing synthetic leather distillation kettle residue. The method comprises the following steps of: (1) collecting DMF (Dimethyl Formamide) kettle residue and slaughter sewage; (2) adding additives to the DMF kettle residue and the slaughter sewage in a blending tank for dilution, detoxication and acidification adjustment, controlling the PH value in the range from 7 to 9, and adding a compound microorganism flora to form a sewage mixture; (3) feeding the sewage mixture into an anaerobic reactor for culture and fermentation; (4) culturing and fermenting the sewage mixture in the anaerobic reactor, and automatically separating out biogas, biogas slurry and biogas residue; (7) feeding the biogas residue into a biogas residue tank and gasifying the biogas residue by a biomass gasifier for generating power, and performing landfill treatment on residual dust. The method provided by the invention has the characteristics of simple process, convenient operation and low operating cost; the synthetic leather distillation kettle residue is transformed into a biological energy source through biodegradation and the biological energy source can be utilized comprehensively.

The invention discloses a preparation method for a liquid milk bottling packaging material. The liquid milk bottling packaging material consists of the following components in parts by weight: 100 parts of high-density polyethylene resin, 10-14 parts of low-density polyethylene resin, 3-5 parts of ethylene-vinyl acetate copolymer resin, 16-18 parts of organic modified calcium carbonate, 4-6 parts of titanium dioxide, 8-10 parts of talcum powder, 2-4 parts of a titanate coupling agent, 3-5 parts of zinc stearate, 2-4 parts of modified magnesium carbonate, 1.5-2.5 parts of liquid paraffin and 1-2 parts of white oil. The preparation method comprises the steps: (1) weighing and mixing the materials; (2) performing granulation through a double-screw extruder, controlling the temperatures of four regions of the extruder to be respectively 147-151 DEG C, 162-166 DEG C, 188-192 DEG C and 172-176 DEG C, controlling the temperature of a melt at 175-185 DEG C, and controlling the pressure of the melt to be below 5.0MPa; (3) forming the bottling packaging material through blowing by a bottle blowing machine.

The invention discloses a functional nutrition fertilizer which is prepared from the following raw materials in parts by weight: 50 to 55 parts of beer grains, 30 to 34 parts of soybean curb residues, 30 to 34 parts of urea, 23 to 25 parts of potassium chloride, 10 to 12 parts of sodium fulvate, 12 to 14 parts of calcium carbonate, 4 to 6 parts of bentonite, 3 to 4 parts of zeolite powder, 3 to 4 parts of borax, 2 to 3 parts of ferrous sulfate, 5 to 8 parts of starch, 3 to 4 parts of EM (Effective Microorganism) agent, 4 to 6 parts of film coating agent and proper amount of water. The functional nutrition fertilizer is simple in production process and low in raw material cost, and has the functions of realizing water and fertilizer retention, improving the air permeability of soil and improving the ecological environment of the local soil, thereby effectively promoting the absorption of a plant to nutritions. Thus, the yield and the quality of the plant are improved. Therefore, the functional nutrition fertilizer has obvious ecological, social and economic benefits. The bentonite which is added into the functional nutrition fertilizer has good adsorbability and good expansibility, thereby effectively improving the physical and chemical performance of the soil and enhancing the capacity of the water and fertilizer retention of the soil. As a result, the utilization rate of the functional nutrition fertilizer is increased.

The invention belongs to the technical field of water treatment equipment, and relates to a sewage purification and recycling integrated device of a multifunctional cleaning and sweeping vehicle. The sewage purification and recycling integrated device comprises a grid grit tank system, a preliminary sedimentation tank system, a clean water tank system and a coagulative precipitation tank system, wherein the grid grit tank system is connected with the preliminary sedimentation tank system by a preliminary sedimentation tank overflow water inlet; the preliminary sedimentation tank system is connected with the coagulative precipitation tank system by a preliminary sedimentation tank water outlet pipe and a coagulative precipitation tank water inlet pipe; the coagulative precipitation tank system is connected with the clean water tank system by a coagulative precipitation tank water outlet pipe and a disinfection mixing tank water inlet pipe; and outlet water of the clean water tank system is supplied by a clean water tank water outlet pipe for recycling. The device is used for sewage treatment of the cleaning and sweeping vehicle; outlet water of the device can be directly recycled for cleaning and sweeping a pavement and flushing bottom mud of the multifunctional cleaning and sweeping vehicle; the recycling efficiency of sewage is improved; 50% of fresh water can be saved; emission of the sewage and sundries to a municipal pipe network is reduced; and the social, environmental and economic benefits are significant.

The invention discloses recycled concrete with added polypropylene fibers. The polypropylene fibers are added to concrete in a ratio, and the effect of fine distribution of reinforcement can be realized; furthermore, the polypropylene fibers can be blended with a cement material very well, so that fine distribution effect is realized; on the basis of the characteristics of a large number and a large specific surface area of the polypropylene fibers, the polypropylene fibers can be uniformly distributed in concrete to form a three-dimension space net structure, the aggregate supporting effect is realized, therefore, anti-cracking performance of the concrete is improved, sedimentation of coarse and fine aggregate is prevented, pore channels in the concrete are reduced, and the polypropylenefibers can inhibit crack propagation of the concrete. Mechanical properties and durability of the concrete can be affected by addition of recycled coarse aggregate, and due to the fact that the polypropylene fibers can change the pore structure in the recycled concrete, the polypropylene fibers produce beneficial effects on strength and durability of the recycled concrete.