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200results about How to "Achieve the purpose of repair" patented technology

Restoration method for damaged ecosystem in steep-slope area in water-level-fluctuating zone of reservoir

The invention relates to a restoration method for a damaged ecosystem in a steep-slope area in a water-level-fluctuating zone of a reservoir. The method comprises the following steps:when the impounded water level is at the lowest point, cleaning the upstream slope in the water-level-fluctuating zone, and manually tamping; digging planting holes at the top of the slope, and planting Chinese red pines and the like to form a multifunctional protective forest belt; digging planting grooves and planting holes within the range of the water-level-fluctuating zone, laying jute geotextile, planting vetiver within the range with the water-level-fluctuating depth of 2m to form a hedgerow; and mixedly planting vetiver and wire grass within the range with the water-level-fluctuating depth of 2-10m to form a combined vegetation slope restoration belt. The protective forest belt, the hedgerow and the combined vegetation slope restoration belt form a three-dimensional restoration space together, thereby ensuring that plants can take roots and restore in the steep-slope area in the water-level-fluctuating zone. By restoring the vegetation in large area, the invention effectively reduces the overland flow and the soil erosion, and improves the fertility and the properties of the soil, thereby restoring the damaged ecosystem. The invention has the advantages of convenient construction and less investment, can not be easily damaged by water, and is applicable to the water-level-fluctuating zone of a reservoir with large water-level-fluctuating range and precipitous topography.
Owner:HUAZHONG AGRI UNIV

Device and method for washing and electrokinetic-combined remediation of heavy metal contaminated soil

The invention discloses a device and a method for washing and electrokinetic-combined remediation of heavy metal contaminated soil. The device comprises a washing system and an electrokinetic remediation system, wherein in the washing system, a leacheate storage tank, an acid storage tank and an alkali storage tank are communicated with a contaminated soil storage trough through a first peristaltic pump, a second peristaltic pump and a third peristaltic pump respectively; a stirrer is arranged in the leacheate storage tank; in the electrokinetic remediation system, an anode chamber and a cathode chamber are arranged on two sides of an electrokinetic remediation chamber, respectively; stirring devices are arranged in the anode chamber and the cathode chamber; a cathode of a DC power supply is connected with a cathode electrode arranged in the cathode chamber, and an anode of the DC power supply is connected with an anode electrode arranged in the anode chamber; an anolyte storage tank is communicated with the anode chamber through a fourth peristaltic pump and a fifth peristaltic pump, so as to form a loop; a catholyte storage tank is communicated with the cathode chamber through a sixth peristaltic pump and a seventh peristaltic pump, so as to form a loop; the bottom of the contaminated soil storage trough in the washing system is communicated with the electrokinetic remediation chamber through a mud pump.
Owner:江苏省环境工程技术有限公司

Self-healing epoxy powdery coating containing microcapsule and preparation method thereof

The present invention discloses a self-healing epoxy powdery coating containing microcapsule. The self-healing epoxy powdery coating containing microcapsule consists of the following components by weight: 5-15 parts of microcrack self-healing capsule, 2-4 parts of a Grubbs catalyst and 89-93 parts of epoxy powder resin matrix. The capsule wall of the self-healing microcapsule is theurea-formaldehyde resin prepared from urea and 37% formaldehyde solution in molar ratio of 0.5-0.6:1, and the capsule core is dicyclopentadiene by blending and high pressure electrostatic spraying. The housing capsule wall of the microcapsule is urea-formaldehyde resin; and the mass ratio of the inner capsule core to capsule wall is 5:1. When the coating cracks, the microcapsule ruptures, and dicyclopentadiene rapidly penetrates into the crazing and the met Grubbs catalyst to produce cross-linking, in order to achieve the purpose of repair. The invention prolongs the service life of the powdery coating and is applicable to novel industrial production.
Owner:南通南京大学材料工程技术研究院

In-situ repairing system and method for composite polluted groundwater

The invention provides an in-situ repairing system and method for composite polluted groundwater. According to the in-situ repairing system for the composite polluted groundwater, a permeable reaction wall is scientifically arranged to be of a two-section structure which comprises a first section of the system and a second section of the system, the first section of the system is filled with first section reaction materials and acid resistance anaerobes so that an acid anaerobic repairing environment can be formed by the first section of the system, and the second section of the system is filled with second section reaction materials. The second section of the system is divided into a front half part and a rear half part, the second section reaction materials of the front half part of the second section of the system are internally loaded with neutral aerobic microorganisms, and the second section reaction materials of the rear half part of the second section of the system are internally loaded with alkali-resisting aerobic microorganisms. According to the two-section type permeable reaction wall system, a pH value and DO regulating method is used for building repairing environments suitable for degrading of different pollutants in different spaces of the permeable reaction wall, so t hat the comprehensive processing effect of the repairing system is further optimized, and the purpose of repairing composite polluted groundwater is achieved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Thin film transistor array base board and its repairing method

The basal plate of film transistor array includes following parts: multiple gated scanning wires extended along first direction; multiple data wires extended along second direction, pixel area formed between crossed gated scanning wires and data wires; thin film transistors and pixel electrodes setup inside pixel area; being distributed on two sides of data wires, inner and outer sided shading wires formed on same metal layer to the gated scanning wires; there is at least one lug at one end of the outer shading wire or data wire, and the lug makes overlap between data wire and outer sided shading wire; the other end of outer sided shading wire and one end of repairing wire crossing gated scanning wire are overlapped; the other end of the repairing wire and the repairing pad overlapped with gated scanning wire are overlapped. The invention can be in use for repairing defects of open circuit and short circuit of data wires.
Owner:NANJING CEC PANDA LCD TECH

Pixel circuit and driving method and display device thereof

The embodiment of the invention provides a pixel circuit, and a driving method and a display device thereof, and relates to a display technical field of displaying. The problem of poor brightness can be solved, and the quality and yield of products are not influenced. A main driving module in the pixel circuit is used for outputting a driving current signal to a fuse module under control of a scanning signal line and a data signal line; the fuse module is used for disconnecting a light emitting module and the main driving module under control of a fuse control module; the fuse control module is used for disconnecting the light emitting module and the main driving module under control of a signal input terminal; a standby driving module is used for outputting the driving current signal to a switching module under control of the scanning signal line and the data signal line; the switching module is used for connecting the standby driving module and the light emitting module under control of a control line input signal; and the light emitting module is used for emitting light through the driving current signal outputted by the main driving module or the standby driving module.
Owner:BOE TECH GRP CO LTD

Repair method for mercury-polluted soil

The invention discloses a repair method for mercury-polluted soil. The repair method comprises the following steps: ploughing up surface soil with a depth of 25-30 centimetres away from ground surface, of the mercury-polluted soil, air-drying, grinding and sieving to obtain pre-treated surface soil; forming a passivator from 40-55 parts of bentonite, 5-15 parts of hydroxyapatite, 3-8 parts of ammonium thiosulphate and 8-16 parts of calcium hydroxide in parts by mass; adequately and uniformly mixing the passivator with the treated surface soil according to an added amount which is 2-5% of the mass of the surface soil, of the passivator, standing for 10-20 days until mercury with a content of 70% in the surface soil is fixed, and completing passivator repair; and levelling the surface soil, planting Indian mustard, dissolving calcium thiocyanate in water and uniformly spraying the solution into the peripheral soil of the root systems of Indian mustard during the vigorous growth period of Indian mustard, and finally harvesting Indian mustard. The repair method disclosed by the invention is simple to operate, low in cost, short in remediation period, and suitable for application of repair for large-area mercury-polluted soil plants.
Owner:陕西清扬环境科技有限公司

Organically-polluted soil remediation method

The invention discloses an organically-polluted soil remediation method which refers to a conveyer, a rotary kiln, a roasting furnace wall, a roasting chamber, a material inlet, a material outlet, a heating channel, a heating channel heat inlet, a heating channel heat outlet, a polluting gas outlet, a combustion furnace, a combustion furnace gas inlet, a combustion furnace heat outlet, a bag deduster, a bag deduster air inlet, a bag deduster smoke outlet, a soil particle outlet, an exhaust fan, a chimney, a deacidification device, a cooler, a cooler feed port, a cooler hot air outlet and a cooler discharge port. Since indirect heating desorption is adopted, hot air and soil are not in direct contact, energy consumption is low, desorption efficiency is high, and the soil can be thoroughly remedied; separated organic pollutants enter the combustion furnace to be completely combusted and decomposed by enriched oxygen, as a result, exhausted air quantity is small, secondary pollution is not caused, energy is saved, efficiency is improved, and investment is low.
Owner:LUOYANG CEMENT ENG DESIGN & RES INST

Device and technology for repairing pipeline circumferential weld defects through epoxy steel sleeve

The invention discloses a device and technology for repairing pipeline circumferential weld defects through an epoxy steel sleeve. The device comprises the composite epoxy steel sleeve, a vacuum pumpand a colloid filling device. The steel sleeve is arranged on the outer side of a to-be-repaired pipeline. Fiber cloth is wound around the outer wall of the to-be-repaired pipeline. A gap is formed between the fiber cloth and the inner wall of the steel sleeve. Sealing bodies are arranged between the inner walls of the two ends of the steel sleeve and the pipeline. Filling colloid is arranged in the gap among the steel sleeve, the to-be-repaired pipeline and the sealing bodies. A locating thread hole is formed in the steel sleeve in the radial direction. A vacuumizing opening / colloid overflowing opening and an exhausting / observing hole are formed in the top of the steel sleeve in the flowing direction of the colloid. The invention discloses a repairing technology. According to the device and the technology, the problems of tender cracking, curing bubble and cavities of filling resin of a traditional epoxy steel sleeve can effectively solved, good compatibility can be ensured between the composite epoxy steel sleeve and a steel pipe body, the circumferential load and the axial load borne by pipeline circumferential weld are shared, and axial cracking of the circumferential weld defects is restrained.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

In-situ soil remediation system and in-situ soil remediation method based on thermal desorption synergistic electrochemical enhancement

The invention provides an in-situ soil remediation system and an in-situ soil remediation method based on thermal desorption synergistic electrochemical enhancement. The system comprises a solar powersupply module, an electrochemical enhancement module, a microwave heating module, a nutrient solution spraying module and a gas phase extraction module; the solar power supply module is electricallyconnected with the electrochemical enhancement module and the microwave heating module respectively; the electrochemical enhancement module comprises an anode plate and a cathode plate which are buried in a polluted soil area; the microwave heating module comprises at least one microwave heating rod buried in the contaminated soil area and a microwave generator connected with the microwave heatingrod; the nutrient solution spraying module comprises at least one spraying pipe buried in the contaminated soil area, and the spraying pipe is externally connected with a nutrient solution storage tank; and the gas phase extraction module comprises a gas phase extraction pipe network inserted into the contaminated soil area and a vacuum pump externally connected with the gas phase extraction pipenetwork. According to the method, comprehensive and efficient remediation treatment is carried out on various pollutants in the contaminated soil, and synergistic and efficient removal of the variouspollutants is achieved.
Owner:GUANGDONG J TECH ENVIRONMENT SCI CO LTD

Laser repair method for worn bearing cylinder of gas turbo-expander

The invention discloses a laser repair method for a worn bearing cylinder of a gas turbo-expander after wear. The method comprises the following steps of: detecting the size of each part of a bearing cylinder matrix of the gas turbo-expander before repair and determining a worn part and the size of the worn part; smoothly grinding the surface of a workpiece; cleaning to remove a fatigue layer of a damaged part of the bearing cylinder; detecting hardness and components of the material of the bearing cylinder matrix; preparing nickel-based alloy powder according to a detection result, preheating the bearing cylinder to the temperature of between 80 and 150 DEG C and fixing the bearing cylinder on a laser machine tool; adjusting operating data of a laser, setting parameters of a laser cladding technology, prearranging a powder layer with thickness of 2mm, and performing laser cladding on the damaged part of the bearing cylinder; and detecting and finishing after repair. The method has the advantages that: a repair layer has a few cracks and has high fusion rate with a raw material, the performance is greatly improved after repair, and the like.
Owner:河北瑞兆激光再制造技术股份有限公司

In-situ power-cut-free welding method for soft mother belts and aluminum bus of cathode of aluminum electrolysis cell

ActiveCN104972220ASolve technical problemsAvoid the defect that exothermic welding cannot be used directlyWelding/cutting media/materialsSoldering mediaExothermic weldingEconomic benefits
The invention relates to the electrolytic aluminum industry, in particular to an in-situ power-cut-free welding method for soft mother belts and an aluminum bus of the cathode of an aluminum electrolysis cell. The method comprises the following steps of 1 in-situ grinding, 2 in-situ fixing, 3 in-situ fusion, 4 pre-welding treatment, 5 preheating, 6 exothermic welding and 7 post-welding treatment. By means of the method, in-situ connection between the soft mother belts and the aluminum bus is directly completed through exothermic welding, the defect that the soft mother belts of a sheet type structure cannot be directly welded in a magnetic field is overcome, the economic benefits of an aluminum electrolysis enterprise are increased, and repairing of the soft mother belts for the aluminum electrolysis enterprise is realized. The operation can be completed under the condition that serial aluminum electrolysis cells are powered all the time, and the repairing purpose can be achieved on the promise of not affecting production of the serial aluminum electrolysis cells. The method is suitable for welding of the soft mother belts and the aluminum bus in various cell types, and is good in universality, easy to operate and high in welding repair efficiency.
Owner:WUHAN UNIV

Reparation method of polluted soil

The invention discloses a soil reparation method, and belongs to the field of soil reparation. The method comprises the following steps: preparing a soil reparation agent comprising the following components in percentage by weight: 30-40% of pulverized coal ash, 2%-5% of a water absorbent and the balance of urban sludge, mixing the soil reparation agent with polluted soil, standing at the temperature higher than 0 DEG C for 60-80 hours so as to enable the water content of the polluted soil of the soil reparation agent to be 30-40% and enable the pH value to be greater than 7, thereby repairing the polluted soil. Urban sludge can supply a great amount of organic substances and nutritional ingredients for the polluted soil, and the fertility of polluted soil is improved; the pulverized coal ash after absorbing water and being pulverized not only can eliminate pathogenic bacteria in urban sludge and perform innocent treatment, but also can loosen the polluted soil, and the water-holding capacity of the polluted soil can be improved. According to the invention, the urban sludge and pulverized coal ash are utilized resourcefully, not only is the pollution of urban sludge and pulverized coal ash to the environment reduced, but also the reparation cost of the polluted soil is reduced, and the win-win effect of economical benefit and social benefit is achieved.
Owner:SHANXIN KETAO TECH BEIJING

Injectable articular cartilage tissue repair material and its preparation method

The invention discloses an injectable articular cartilage tissue repair material and is characterized in that starting materials of the composite material contain the following components of: by weight, 100 parts of I-type collagen and 10-50 parts of hyaluronic acid, wherein oxidisability of hyaluronic acid is 20-60%. A monocyte layer in bone marrow fluid in vivo is embedded in the repair material. The thickness of the composite material is 1-5mm. Hyaluronic acid is oxidized into oxidized hyaluronic acid by the use of sodium periodate. The collagen solution, 5*PBS and a buffer are mixed at the volume ratio of 7:2:1 and the pH is adjusted to neutral. After dissolving oxidized hyaluronic acid by the use of ultrapure water, the dissolved oxidized hyaluronic acid is added into the neutral collagen solution and the mixed solution is uniformly stirred and stands in a refrigerator of 4 DEG C. The separated and extracted monocyte layer in the bone marrow fluid by a density gradient centrifugation method is uniformly mixed with the above collagen-oxidized hyaluronic acid solution. The mixed liquor is putted into a constant temperature incubator of 37 DEG C for standing or injection to the organism articular cartilage defects so as to form the composite material.
Owner:成都普川生物医用材料股份有限公司

TCAM (Ternary Content Addressable Memory) diversified configuration system and configuration method on the basis of FPGA (Field Programmable Gate Array) dynamic reconstruction technology

The invention discloses a TCAM (Ternary Content Addressable Memory) diversified configuration system and configuration method on the basis of an FPGA (Field Programmable Gate Array) dynamic reconstruction technology. The TCAM diversified configuration system comprises an FPGA dynamic reconstruction unit, a dynamic reconstruction configuration unit, a control unit and a TCAM, wherein the FPGA dynamic reconstruction unit is used for carrying out dynamic reconstruction layout and generating a corresponding functional circuit so as to generate a corresponding dynamic reconstruction file after a pre-implementation function is converted to generate a corresponding dynamic reconstruction logic circuit; the dynamic reconstruction configuration unit is used for downloading and operating the dynamic reconstruction file and executing an action according to a control command of the control unit; and the control unit is used for monitoring the operation state of the TCAM communicated with the control unit in real time, sending a dynamic configuration command when the TCAM abnormally operates, and controlling the dynamic reconstruction configuration unit to reconfigure and repair the TCAM or carry out function reconfiguration to the TCAM. The FPGA dynamic reconstruction technology is utilized for reconfiguring the TCAM when the TCAM is out of order during use so as to achieve a purpose of repairing. The invention is simple in operation, and device resource use efficiency is improved.
Owner:大连梯耐德网络技术有限公司

Immobilized microorganism structural body and preparation method thereof

The invention provides an immobilized microorganism structural body and a preparation method thereof. The method comprises the following steps: S1, taking municipal biomass waste as a raw material, and chemically activating the raw material; S2, carbonizing the chemically activated product at a low temperature to obtain biomass-based biochar; S3, mixing an embedding agent with the biomass-based biochar, wherein the embedding agent comprises a biodegradable material; S4, adding an oxygenation agent, microorganisms with a degradation effect for black and smelly river channels and growth factor to the mixture obtained in step S3; and S5, embedding and immobilizing the product in step S4.
Owner:SHENZHEN HONGKONG INSTITUTION OF IND EDUCATION & RES ENVIRONMENTAL ENG TECH CO LTD

Dresser for deep hole internal thread

The invention provides a dresser for a deep hole internal thread and belongs to the technical field of hand tools. The dresser comprises a locating mandrel, a ferrule, a threaded cutter, a fixing seat, a fixing sleeve and a baffle, wherein the locating mandrel penetrates into an inner cavity of the fixing seat, and a tapered surface is arranged at the lower end of the locating mandrel; the ferrule is embedded into the inner cavity of the fixing seat; the threaded cutter comprises four groups of L-shaped blades, a cutting edge with a thread form consistent with that of the deep hole internal thread of a to-be-dressed aircraft part is arranged at the outer side end of the horizontal arm of each blade, a wedge-shaped arc surface is arranged on the vertical arm of the blade, the four groups of blades are evenly arranged around the locating mandrel, and the horizontal arms of the four groups of blades are assembled with the fixing seat; an operating handle is arranged at the upper end of the fixing seat, the fixing seat and the fixing sleeve are assembled in a threaded fit manner, the thread pitches of the fixing sleeve, the fixing seat and the deep hole internal thread of the to-be-dressed aircraft part are identical, and the fixing sleeve and the to-be-dressed aircraft part are assembled in a threaded fit manner. The dresser solves the problem about repair of the deep hole internal thread of the aircraft part and guarantees smooth assembly of threaded fit members in the maintenance process of the aircraft.
Owner:FACTORY 5721 OF PLA

Water restoration microbial agent and preparation method thereof

The invention discloses a water restoration microbial agent and a preparation method thereof and relates to the field of water protection. According to the preparation method, through use of a photosynthetic bacterium flora, a lactic acid bacterium flora and a yeast flora, the water restoration microbial agent can fast degrade and transform harmful substances in polluted water and inhibit growth and reproduction of the harmful microorganisms so that polluted water restoration is realized, through use of a certain amount of an organic acid and biological peptide in the water restoration microbial agent and combination with a stabilizer, comprehensive effects of the aquatic probiotics are further improved, and through use of microbial carriers for growth of the photosynthetic bacterium flora, the lactic acid bacterium flora and the yeast flora in the water restoration microbial agent, activity of a variety of microorganisms in the water restoration microbial agent is improved and the overall quality of the water restoration microbial agent is improved. The water restoration microbial agent and the preparation method thereof have important popularization and application values.
Owner:新疆金兰德一泰环保科技有限公司 +1

Inner extrusion coating device and extrusion coating method

The invention relates to the field of workpiece repair, and especially to a n inner extrusion coating using vacuum melting method to repair damaged parts. The device at least comprises an extrusion coating device body fixed on a frame (11); the extrusion coating device body is composed of a transmitting section having a same diameter as a cylinder to be repaired (8), a stable section (7) and a receiving section (10). The transmitting section (1) and the stable section (7) are connected and fixed by a flange; two ends of the cylinder to be repaired (8) are respectively detachably connected with the stable section (7) and the receiving (10) through screw rods; a rubber ball (3) is arranged in the transmitting section (1) near a connection end with the stable section (7); and a rotary extrusion coating apparatus (2) is arranged in the transmitting section (1) at the other end. The device can meet inner wall coating process for cylinders with different diameters and lengths, and a vacuum cladding technology is employed to realize the repair of hydraulic oil cylinder and other cylinder parts.
Owner:SHAANXI TIANYUAN MATERIALS PROTECTION TECH

Micro-explosion soil remediation method

Belonging to the environmental technology field, the invention provides a micro-explosion soil remediation method, which enables a soil remediation agent to rapidly and fully disperse into polluted soil. Commonly used soil remediation chemicals include oxidizing agents and reducing agents, like potassium permanganate, low concentration hydrogen peroxide, a Fenton reagent, iron powder, surfactants and a variety of composite remediation agents. The micro-explosion soil remediation method aims to enhance the dispersion sufficiency and dispersion speed of chemicals in soil, enable rapid and full dispersion of chemicals into polluted soil and achieve a high degree of dispersion. The remediation method is especially suitable for conditional in-situ soil remediation engineering.
Owner:ESD CHINA LTD

Selenium-containing soil heavy metal restoration agent

The invention discloses a selenium-containing soil heavy metal restoration agent, which is prepared from the following raw materials (by weight): 4-5 parts of lentinan, 2-3 parts of sodium selenite, 4-6 parts of chitosan, 16-18 parts of pasture powder, 8-10 parts of pig bone meal, 25-26 parts of vinegar residue, 6-7 parts of potassium nitrate, 82-88 parts of seeded sunflower disc, 32-36 parts of silkworm excrement, 15-18 parts of kaolin, 4-5 parts of calcium carbonate, 27-28 parts of slash pine needle and a proper amount of water. By using sodium selenite as exogenous selenium and by matching of lentinan, chitosan and the like, activity of urease and sucrose in soil can be increased, and the effect of increasing organic fertility of soil is further achieved. Meanwhile, with the addition of selenium, content of organically-bound heavy metal in soil is also decreased, soil immobilization effect of heavy metal especially mercury is enhanced, and bio-availability of soil heavy metal is further reduced. The product is used for restoration and improvement of soil quality.
Owner:凤阳徽亨商贸有限公司

Preparation method for heterojunction photocatalyst and application

ActiveCN107008467AExcellent photocatalytic degradation activityPhotocatalytic degradation is effectiveWater/sewage treatment by irradiationWater treatment compoundsHeterojunctionSemiconductor materials
The invention belongs to the technical field of semiconductor material preparation and especially relates to a preparation method for a heterojunction photocatalyst and an application. The method comprises the following steps: weighing manganese tungstate, bismuth nitrate and potassium bromide; dissolving in a mixed solvent of glycol and deionized water; ultrasonically dissolving, thereby acquiring a precursor suspension; transferring into a hydrothermal reaction kettle; reacting in an oven; washing with water, filtering and drying, thereby acquiring a MnWO4 / BiOBr heterojunction material. The MnWO4 / BiOBr heterojunction photocatalyst is prepared according to a hydrothermal method and a solvent thermal method in the manner of regulating different mole ratios of added manganese tungstate to bismuth nitrate to potassium bromide; the degrading effects to the organic pollutants (rhodamine b and tetracycline) (10mg / L) under the irradiation of visible light under the condition of same catalyst dosage (50mg) are respectively observed; a photo-catalytic result shows that the MnWO4 / BiOBr heterojunction photocatalyst prepared by compounding less manganese tungstate and bismuthyl bromide can obviously promote the photo-catalytic activity.
Owner:JIANGSU UNIV

Method for repairing cadmium, lead and copper combined-polluted soil with broom cypress

The invention belongs to the polluted soil regeneration and utilization technology in the field of agricultural soil, and particularly relates to a method for repairing cadmium, lead and copper combined-polluted soil with broom cypress. In the method, broom cypress with stronger absorption capability is planted in the cadmium, lead and copper combined-polluted soil, and mature broom cypress is removed from the polluted soil, so as to achieve the purpose of removing heavy metals from the polluted soil. The method is low in investment, low in engineering work load, not high in management technical requirements, and free of secondary pollution, does not damage the physical-chemical properties of the soil, can conserve both moisture and soil and beautify environment, solves the problem of repairing control and utilization of the cadmium, lead and copper combined-polluted soil, and has excellent social benefits, economic benefits and ecologic benefits.
Owner:台州市农业科学研究院

Integrated remediation system for strengthening soil vapor extraction and groundwater remediation

The invention discloses an integrated remediation system for strengthening soil vapor extraction and groundwater remediation, which includes a nutrient storage tank, a microbial fermentation tank, a vapor extraction system, an aerating system and bio-carbon. The vapor extraction system includes a vapor injection device, a vapor injection pipe, a vapor injection well, a vapor extraction integrateddevice and a vapor extraction well. The vapor injection device is used for injecting vapor into the vapor injection well through the vapor injection pipe. The vapor extraction well is connected with the vapor extraction integrated device through the vapor extraction pipe. According to the remediation system, the advantages of microbial remediation, vapor extraction remediation, aerating remediation and bio-carbon adsorption are integrated, the remediation of soil and groundwater can be carried out at the same time. The remediation effect and the remediation efficiency are improved. The equipment is simple in installation and the operation cost is low.
Owner:JIANGSU GAIYA ENVIRONMENTAL SCI & TECH CO LTD

Heavy metal polluted soil remediation agent, and preparation method and application thereof

The invention provides a heavy metal polluted soil remediation agent, and a preparation method and an application thereof, and relates to the field of heavy metal polluted soil remediation. Treatmentof heavy metal pollution in soil includes engineering treatment, chemical treatment and plant ecological restoration, and has the disadvantages of low remediation efficiency, high treatment cost, secondary pollution to soil, structural damage of the soil, and loss of some elements in the soil. The heavy metal polluted soil remediation agent provided to overcome the disadvantages in the prior art comprises, by mass, 25-35 parts of zeolite powder, 20-30 parts of montmorillonite powder, 35-45 parts of attapulgite, 10-15 parts of diatomite, 80-100 parts of rice hull powder, 1-8 parts of chitosan,1-10 parts of citric acid, 0.5-2 parts of zinc sulfide, 0.5-2.5 parts of selenium powder and 1-3 parts of negative ion powder. The heavy metal polluted soil remediation agent can effectively convert lead, cadmium, mercury, arsenic, chromium and other heavy metals in the soil through an ion exchange method to achieve the purpose of soil remediation, and has the advantages of easily available raw materials, low cost, and realization of factory mass production.
Owner:上海前引科技有限公司

Environmental friendly soil heavy metal restoration agent

The invention discloses an environmental friendly soil heavy metal restoration agent, which is prepared from the following raw materials (by weight): 1-2 parts of urea phosphate, 4-5 parts of alginic acid, 46-48 parts of corncob, 4-5 parts of chitin, 8-9 parts of biochemical fulvic acid, 8-9 parts of borax, 2-3 parts of ammonium molybdate, 75-80 parts of seeded sunflower disc, 40-44 parts of enteromorpha prolifera, 10-14 parts of kaolin, 18-20 parts of calcium carbonate, 25-28 parts of slash pine needle and a proper amount of water. According to the soil restoration agent, organic matter is used as main raw materials, and no chemical agents are used so as to guarantee that there is no adverse effect on the soil environment. During the preparation process, possibilities of secondary pollution are avoided during high temperature and fermentation. Thus, the restoration agent treats soil heavy metal pollution while soil is cultivated. The restoration agent has no destructive effect on biological characteristics of soil, has economic and environmental benefits, and is suitable for commercialized production.
Owner:凤阳徽亨商贸有限公司

A traffic flow data cleaning and restoration method based on spatio-temporal sequence

The invention discloses a method for cleaning and repairing traffic flow data based on time-space sequence, comprising the following steps: storing real-time received traffic flow information in a dirty data storage module according to a fixed format; the data cleaning module is used to clean the traffic flow information in the dirty data storage module to obtain the cleaned data. The data after cleaning is modeled and repaired by the data repairing module, and the repaired data is obtained. The repair data is stored in a clean data storage module. By simplifying the traffic flow data cleaningprocess and adopting the time and space parallel analysis method, the invention applies the cell transmission model and the Kalman filter algorithm to the traffic flow data repairing, conveniently, quickly and accurately carries out the traffic flow data cleaning, processing and repairing work, and improves the accuracy of the data.
Owner:CHANGAN UNIV

Local resin curing construction process for reconstruction and extension of drainage pipe network

The invention discloses a local resin curing construction process for reconstruction and extension of a drainage pipe network. The process comprises the following steps of checking at the early stage;applying for occupying a road; plugging by adopting an air bag plugging method or a wall plugging method as a plugging method; guiding flow; clearing and dredging a pipeline and performing CCTV detection; pretreating the pipeline; curing and repairing local resin and performing CCTV detection, specifically, a felt cylinder is soaked with resin, the felt cylinder is wound on a air bag, the air bagreach a repairing place under the guidance of the CCTV, the air bag is inflated to enable the felt cylinder to patch to be pressed and coated on the pipeline, the pressure is kept until the resin iscured, g the air bag is released the pressure to shrink and pulled out the pipeline, finally the CCTV detection is performed, and construction quality detection is performed; and cleaning up a site. The method is simple and rapid in construction, meanwhile, shortens the construction period, increases the strength of the pipeline, achieves the purpose of repairing, can protect the environment, saves resources, does not dig a road surface, does not generate garbage, does not block traffic, and greatly improves the image of pipeline repairing construction.
Owner:CHINA RAILWAY 18TH BUREAU GRP CO LTD +1

Free disassembly type vacuum handle puller for automobile sheet metal repair

The invention discloses a free disassembly type vacuum handle puller for automobile sheet metal repair. The free disassembly type vacuum handle puller comprises a supporting base, a lead screw, a nutand a sheet metal box body. The four corners of the lower part of the supporting base are connected with universal wheels through bolts, a cabinet body is arranged on one side of the upper part of thesupporting base, and a handle is arranged on the upper part of the cabinet body. The free disassembly type vacuum handle puller has the beneficial effects that the nut is arranged to cooperate with the lead screw to provide tension for the automobile concave surface sheet metal process, it can be ensured that the tension is more stable and easy to control and can be targeted in the sheet metal process, so that the quality of sheet metal is improved; sliding cylinders and pistons are arranged, during the sheet metal, the pistons are pulled firstly to move to vacuumize vacuum suction cups, so that the absorption force of the vacuum suction cups on the automobile concave surface can be improved, and the efficiency of the sheet metal is improved; and the cabinet body is arranged, appliances needed for the sheet metal can be stored in the cabinet body, so that the subsequent taking operation is convenient.
Owner:深圳市百思泰科技有限公司

Multifunctional microcapsule used for self-repairing of materials and preparation method thereof

The invention belongs to the field of preparation of self-repairing microcapsule materials and relates to a multifunctional microcapsule used for self-repairing of materials and a preparation method thereof. The microcapsule is prepared with ethyl cellulose being a wall material and epoxy resin adhesive being a core material and includes, by mass, 0.7 to 7.4 parts of epoxy resin, 0.6 to 5.6 partsof an emulsifier, 0.7 to 2.5 parts of ethyl cellulose, 12.7 to 27.8 parts of an organic solvent, and 59.2 to 84.1 parts of deionized water. The multifunctional microcapsule has a round appearance andhas a plurality of penetrating and uniform pores thereon. What is the multifunctionality of the microcapsule is the microcapsule can achieve self-repairing of the materials through two releasing modeof diffusion release of pores in the wall material and / or breaking release of the wall material. The multifunctional microcapsule is green and pollution-free. The preparation method is simple and is easy to industrialize.
Owner:NANCHANG UNIV
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