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140results about How to "Sustainable use" patented technology

Ectopic coupled repairing system and method for treating organic compound contaminated soil

The invention provides an ectopic coupled repairing system and method for treating organic compound contaminated soil. The system comprises a contaminated soil pile body, a nutrient solution and moisture distribution pipe network connected with the contaminated soil pile body, as well as an air exhaust and tail gas treatment pipe network connected with the contaminated soil pile body, wherein the contaminated soil pile body comprises a concrete base layer spreading on an open field, a first layer of geotextile which is spread on the concrete base layer, a first layer of a high-density polyvinyl chloride impermeable membrane which is spread on the first layer of geotextile, a second layer of geotextile which is spread on the first layer of the high-density polyvinyl chloride impermeable membrane, a gravel gas conductive layer which is spread on the second layer of geotextile, a third layer of geotextile which is spread on the gravel gas conductive layer, contaminated soil piled on the third layer of geotextile, as well as a second layer of the high-density polyvinyl chloride impermeable membrane covering on the contaminated soil. The repairing system can be used for repairing large-scale volatile organic matter and biodegradable organic matter compound contaminated soil with low cost, and is suitable for large-scale industrial application.
Owner:BEIJING MUNICIPAL RES INST OF ENVIRONMENT PROTECTION

Device and method for repairing ground cracks of coal mining loess subsidence area

InactiveCN106368207AGood against soil lossGood effectSoil preservationCoal miningEnvironmental geology
The invention relates to a device and a method for repairing ground cracks of a coal mining loess subsidence area. The method comprises the steps of during repairing, firstly, detecting the depth of all the ground cracks formed on a coal mining working surface and judging the type; filling the ground cracks with a filler, and arranging grouting pipes and electrodes at the ground cracks; adding a microorganism bacterial liquid into the grouting pipes, and introducing a direct current between the grouting pipes and the electrodes; adding a nutrient solution into the grouting pipes; when the ground cracks are filled with mixed size of the microorganism bacterial liquid and the nutrient solution, stopping grouting; and after the injected mixed size is solidified, planting plants on the ground. According to the invention, the method is simple and easy to implement, the method is more environment-friendly through microorganism grouting, the distribution of microorganism products can be made more uniform through electric traction, as a renewable matter, microorganisms can be continuously utilized on a large scale, different prevention methods are utilized for cracks in different coal mining positions, and the limitation of one method is avoided.
Owner:陕西省地质环境监测总站

Energy recovery device using deceleration strip

The invention relates to an energy recovery device using a deceleration strip. The energy recovery device comprises an energy collecting part and an energy stably-releasing part, wherein the energy collecting part comprises the deceleration strip arranged on the ground through a spring; a strip-shaped air bag is assembled below the deceleration strip in a hollowed way; the deceleration strip and the air bag are connected with each other through a pair of pressure plates for transmission; the pressure plates are connected with the ground through a hinge; a pneumatic one-way valve is connected to the two ends of the air bag respectively; the one-way valve on one air outlet side is connected with the energy stably-releasing part. According to the energy recovery device, energy can be collected and released stably, and an appropriate device is provided for protecting a road deceleration strip generating set of a system.
Owner:DONGHUA UNIV

Method for preparing metal through continuous reduction in molten salt medium

The present invention relates to a metal material preparation method, particularly to a method for preparing a metal through continuous reduction in a molten salt medium. According to the method, a molten alkali metal and alkaline earth metal mixing halide MaY-MeY2 is adopted as the flux of a molten salt medium, an alkaline earth metal oxide MeO / alkaline metal halide MaY mixture capable of being dissolving in the flux of the molten salt medium is used to replace an alkaline metal so as to be adopted as a reduction agent, the specifically-selected MeO / MaY mixture is added to the molten MaY-MeY2 flux to form a MeO-MaY-MeY2 molten salt, the molten salt medium is subjected to electrolysis to decompose the MeO dissolved in the medium so as to finally obtain the Ma-MaY-MeY2 molten salt medium, an oxide MO is added to the formed Ma-MaY-MeY2 molten salt medium under the support of the electrolysis process performing under the conditions, and the alkali metal Ma instantly performs thermal reduction on the added oxide MO so as to prepare the metal M. According to the present invention, the disadvantages of complex operation and danger of the direct alkali metal reduction agent adding in the traditional thermal reduction are overcome; the excessive use of the alkali metal reduction agent is solved, and the continuous production can be achieved; and the cost is low, and the energy consumption is low.
Owner:AUYONG ADVANCED MATERIALS TECH SHANGHAI CO LTD

Seal cooling device for battery of electric car

The invention relates to the field of electric car fittings, in particular to a seal cooling device for a battery of an electric car. The seal cooling device for the battery of the electric car comprises a battery seal box and a heat dissipation box. The sides, close to each other, of the battery seal box and the heat dissipation box communicate through a pipeline, and the bottom of the inner wall of the battery seal box is fixedly connected with a battery supporting plate through a damping device; the top of the battery supporting plate is fixedly connected with a battery box, and the positions, right opposite to the battery box, of the two sides of the inner wall of the battery seal box are provided with damping fixing buckles; a seal cover is arranged at the top of the battery seal box, and one side of the bottom of the inner wall of an outer frame is fixedly connected with a heat dissipation fan; and a through slot matched with the heat dissipation fan is formed in one side of the outer frame, and the bottom end of a cross rod is fixedly connected with a through pipe. The seal effect on the battery is achieved, damping is ensured in the car moving process, the damage to the battery due to moving is reduced, the temperature of the battery is reduced through cooling of cooling liquid so that the battery can be used continuously, and the failure factors are reduced.
Owner:安吉天剑电器科技有限公司

Method for preparing barium carbonate and strontium carbonate through microorganism mineralization

The invention discloses a method for preparing barium carbonate and strontium carbonate through microorganism mineralization. The method is characterized by comprising the following steps of: taking a culture medium inoculated with bacillus pasteurii and used for culturing the bacillus pasteurii, taking barium chloride according to a principle that 0.001 to 2mol of barium chloride is added into 1L of culture medium, and taking carbamide according to the mass ratio of barium chloride to carbamide of 1:1-1:48; adding the barium chloride and the carbamide into the culture medium inoculated with bacillus pasteurii and used for cultivating the bacillus pasteurii, and reacting the mixture with stirring for 12 to 54 hours at the temperature of 10 to 100 DEG C to obtain a reactant with barium carbonate; and after standing to age the reactant for 1 to 24 hours, filtering the reactant, washing the solid with water, and drying the solid to obtain white powder of barium carbonate. The method is also suitable for preparing strontium carbonate. The method can be used for preparing barium carbonate and strontium carbonate products of different shapes, sizes and function characteristics and is practical.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Red-soil-region peanut continuous-cropping obstacle reducing special fertilizer, preparation method and usage method

The invention discloses a red-soil-region peanut continuous-cropping obstacle reducing special fertilizer, a preparation method and a usage method. The special fertilizer is composed of, in percent by weight, 10-30% of decomposed dry bird excrement, 10-30% of humic acid, 10-20% of urea, 20-40% of calcium-magnesium-phosphorus fertilizer, 10-15% of potassium chloride, 0.5-2% of borax, 0.5-2% of zinc sulfate, 0.01-0.05% of ammonium molybdate, 0.005-0.02% of compound sodium nitrophenolate, 0.001-0.01% of sodium alpha-naphthyl acetate, 0.01-0.05% of hymexazol, and 0.01-0.05% of diazinon. The special fertilizer is applied red-soil-region field on which peanut is continuously cropped for three or more years with the usage amount of 2000-2500 Kg / hm<2>, the usage method comprises that the fertilizer is completely basally applied for one time, or the fertilizer is applied for two times according to the base-fertilizer topdressing-fertilizer weight ratio of 2:1, the base fertilizer is applied in furrows before peanut is sowed or is spread over the whole field when ploughing is performed, topdressing is combined with intertillage weeding, and fertilization and earthing up are performed. The special fertilizer is verified to be capable of increasing peanut output by 15-25% compared with a conventional fertilizer by applying the special fertilizer to a large field on which peanut is continuously cropped for 10 years or more at 2012 and 2013, and the application method is simple, reasonable, and high in operability, and exhibits technical progress.
Owner:INST OF SOIL FERTILIZER & RESOURCE ENVIRONMENT JIANGXI ACAD OF AGRI SCI

Sitotroga cerealella trap

The invention discloses a sitotroga cerealella trap. The sitotroga cerealella trap comprises an upper cylinder body and a lower cylinder body, and the inner diameters of the upper cylinder body and lower cylinder body are 100 mm respectively; a spacer net is arranged in the upper cylinder body, the spacer net divides a cylinder inner cavity formed by the upper cylinder body and the lower cylinderbody into an upper cavity and a lower cavity, and the mesh diameter of the spacer net is 1mm; an air suction fan is arranged in the upper cavity, the bottom of the lower cylinder body is provided witha conical sealing bottom, the included angle between the conical surface of the conical sealing bottom and the cylinder wall of the lower cylinder body is 60 degrees, a small head end of the conicalsealing bottom faces the spacer net, the small head end of the conical sealing bottom is provided with an insect inlet of which the diameter is 10 mm, the vertical distance between the joint of the upper conical surface of the conical sealing bottom and the inner cylinder wall of the lower cylinder body and the upper edge of the upper cylinder body is 135 mm, and the lower conical surface of the conical sealing bottom is provided with a reflective layer; the lower portion of the lower cylinder body is provided with an insect attracting lamp bead, the lamp bead adopts a green light source witha wavelength of 530-575 nm, and an insect attractant is also arranged at the lower portion of the lower cylinder body. The sitotroga cerealella trap has an effective prevention and control effect on sitotroga cerealella and is free from pollution.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

Sapphire reinforcing method

The invention discloses a sapphire reinforcing method. The method comprises the following steps: 1) a sapphire lens is placed in an annealing furnace in a hanging manner through a clamp, and then the annealing furnace is filled with inert gas; 2) stepped heating is performed on the sapphire lens in the annealing furnace, a first heating speed ratio is adopted to heat so as to reach a first temperature, and then a second heating speed ratio is adopted to heat so as to reach a second temperature; 3) heat preservation is performed in a second temperature area on the sapphire lens in the annealing furnace; 4) after temperature reduction is performed on the sapphire lens in the annealing furnace, the furnace is opened for natural cooling. For the sapphire lens treated by the method disclosed by the invention, the strength of sapphire in 4PB strength test can be effectively improved by 60%; the strength of the sapphire in ROR strength test can be improved by 68.9%, in addition, the operation is simple and convenient, the course is easy to control, and the method disclosed by the invention is beneficial for realizing large-scale production.
Owner:LENS TECH CHANGSHA

Pellet fuel prepared by use of crops straw

The present invention relates to the technical field of new energy, and discloses a pellet fuel prepared by use of crops straw, the pellet fuel comprises the following raw materials by weight: 10-15 parts of cotton stalk, 10-15 parts of corn straw, 10-15 parts of peanut shell, 5-10 parts of dahurian larch sawdust, 5-10 parts of rice husk, 5-10 parts of soybean hulls, 3-5 parts of alumina, 3-5 parts of magnesium carbonate, 3-5 parts of calcium carbonate and 3-5 parts of pine oil. The pellet fuel utilizes the abandoned crops as the raw materials, and uses local materials, the product has the characteristics of being energy saving, environmentally-friendly, non renewable resource-saving, and the like, and eases the contradiction of the shortage of electric power and petroleum; the pellet fuel utilizes the crop straw as the main ingredient, is added with suitable amount of additives, is clean and environmentally-friendly, fully uses energy, and makes full use of waste biomass fuels, the raw material source range is wide, combustion rate is high, the pellet fuel is safe to use, and sustainable to use, bottom ash slagging rate is low, and the combustion pollution is less.
Owner:广德县磊淇农副产品废物利用有限公司

UASB reactor system based on compression heat pump and method thereof

The invention discloses a UASB reactor system based on a compression heat pump and a method thereof. The method comprises the following steps: collecting biogas generated by a UASB reactor into a biogas collection chamber, introducing the collected biogas into a biogas power generator so as to generate power, then driving a compressor of a heat pump system to work so as to generate high-temperature hot water, and conveying the high-temperature hot water into the UASB reactor through a water pump and a pipeline so as to maintain the UASB reactor at a constant temperature and guarantee the UASB to operate under high efficiency. According to the invention, heating of the reactor enables anaerobic bacteria to maintain high activity, so the biogas yield of the reactor is improved; the generated biogas is effectively utilized for generating power by using the biogas power generator, so generated power drives the compressor of the heat pump system to work, and the high-temperature hot water is generated; meanwhile, residual heat of the tank sleeve and the exhaust gas of the biogas power generator is recycled, so the utilization rate of energy is improved.
Owner:NANJING UNIV OF SCI & TECH

Touch stylus with wireless charging function and operating method thereof

A touch stylus with wireless charging function and operating method thereof are disclosed. The touch stylus includes a receiving coil, a resonant circuit, a rectifier circuit, and a voltage regulation output circuit. The receiving coil is used to receive an AC signal from outside. The resonant circuit is coupled to the receiving coil and used to perform a resonant process on the AC signal. The rectifier circuit is coupled to the resonant circuit and used to perform a rectifier process on the resonated AC signal. The voltage regulation output circuit is coupled to the rectifier circuit and used to perform a voltage regulation process on the rectified AC signal to convert the rectified AC signal into an output power for the operation of the touch stylus.
Owner:RAYDIUM SEMICON

House, inflatable house, container house and method for constructing container house

The invention provides a house, an inflatable house, a container house and a method for constructing the container house. The container house comprises a container type box; the inflatable house is arranged on the outer side of the container type box and is in through connection with the container type box, and the inflatable house is a double layered inflatable film structural body of a house shape; an air charging device and packings are arranged in a container structural body, wherein the air charging device and the packings are related to filling of the inflatable film structural body; air is charged into the inflatable film structural body, and the packings are poured in the gaps of the double layered inflatable film structural body to form the stable inflatable house; the inflatable film structural body is formed by combining a plurality of film components which are inflatable and pourable independently; a closed pipeline interlayer which is used for connecting equipment pipelines and power lines into the inflatable house is tightly attached to an inner inflatable film or an outer inflatable film. According to the house, the inflatable house, the container house and the method for constructing the container house, the usable area of the container house can be enlarged; furthermore, the inflatable house can be used as a house solely and can be attached to any existing house to enlarge the area of the existing house.
Owner:SHANGHAI ETOPIA BUILDING TECH CO LTD

Burnt luminous energy unitization device and method

The invention relates to a burnt luminous energy unitization device and method, belonging to the technical field of burnt luminous energy unitization. The device comprises an optical filter (2), a photoelectric transformation component (3) and a radiator (4). The device and method can be utilized to transform the burnt luminous energy into high-grade electric energy simply and conveniently and improve the utilization rate of energy when fuels are burnt. The new technology complies with an energy conservation and emission reduction policy and is suitable for energy sustainability in China.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Folding box body type inflation mold house

The invention provides a folding box body type inflation mold house. The folding box body type inflation mold house comprises an integrated floor, an external envelope structure of the house, and a roof of the house. The integrated floor is formed by flat laying all unfolded box faces of a box body. The external envelop structure and the roof of the house are integrally formed after inflation molds connected to all lateral sides of all the box faces are inflated and unfolded. The inflation mold house further comprises an integrated inner wall, an integrated kitchen, an integrated toilet, prefabricated steps, ramps and the like. Each box face of the box body is composed of a structural layer and a finish coat. The structural layers formed by trave beams are divided into device layers and structure layers. The finish coats are divided into waterproof floors and functional floors. The inflation molds can be folded and plugged into air mold installation grooves when not inflated. The bottom edges of the inflation molds are closed and attached and fixed into the air mold installation grooves. Air mold inflation openings are formed in the inner sides of the four lateral sides of each spliced box face respectively and communicated with the inflation molds through air pipes. The house has the advantages of being easy to transport, capable of being rapidly set up, intelligent, ecological and highly integrated, allowing the space to be flexibly segmented, and allowing the inflation molds to be repeatedly used.
Owner:苏运升

Double temperature-sensing power-off circuit protection structure

The invention provides a double temperature-sensing power-off circuit protection structure, comprising two independently working temperature-sensing power-off devices arranged between two terminals ofa return circuit, a thermal sensing tripping device and a thermal breaking device. A contact striking flake of the thermal sensing tripping device is heated and deformed to reversely bend to trip outin order to realize interruption under the conditions of overload current, overheating circuits or excess high temperature of environment. Besides, when the thermal sensing tripping device fails to respond, respond late or repetitively powers off and the temperature of the return circuit continuously rises after powering on under the conditions of overload current, overheating circuits or excesshigh temperature of environment, a low-melting point block of the thermal breaking device is heated to be melted and broken in order to open the return circuit and realize interruption. In the invention, the two independently working temperature-sensing power-off devices respectively sense temperature, have a double temperature-sensing power-off effect, and the return circuit can be temporarily powered off, powered on again or completely powered off, thereby avoiding dangers of overheating circuits or short circuit of electric wires.
Owner:游聪谋

Solvent-induced color change photonic crystal fabric and preparation and application thereof

The invention relates to a solvent-induced color change photonic crystal fabric and preparation and application thereof. The preparation method comprises the steps that P(St-BA-AA) colloidal microspheres of core-shell structures are dispersed in water and ultrasonically mixed with a trace amount of acetylene black uniformly, then a mixture is uniformly loaded on the surface of a fabric, and dryingis conducted to obtain the solvent-induced color change photonic crystal fabric. The solvent-induced color change photonic crystal fabric and the preparation and application thereof have the advantages that the polyester fabric self-assembled by the colloidal microspheres shows the original black color of the fabric, the color can change when the fabric meets water or other solvents, the color ofthe fabric is different if the solvents are different, and the fabric can achieve color change without consuming external energy and has application potentials in the fields of humidity detection, counterfeiting prevention and two-dimensional code hiding.
Owner:DONGHUA UNIV

Method for producing biodegradable plastic from activated sludge

The invention relates to the technical field of environmental biology, in particular to a method for producing biodegradable plastics (polyhydroxy paraffinic acid ester (PHA)) by using activated sludge. The method comprises the following steps: in a sequencing batch reactor, using the activated sludge as a strain, adding a mineral salt culture solution containing volatile fatty acid into the sequencing batch reactor by adopting a dynamic substrate feeding mode, and cultivating the activated sludge with storage power of the polyhydroxy paraffinic acid ester under oxic zone condition; transferring the activated sludge with the storage power of the polyhydroxy paraffinic acid ester discharged by the sequencing batch reactor to another reactor, and simultaneously feeding the mineral salt culture solution containing the volatile fatty acid into the another reactor, and making the polyhydroxy paraffinic acid ester stored in bacterial cells in the activated sludge saturated through oxic zone reaction; and extracting the polyhydroxy paraffinic acid ester by the sludge containing the polyhydroxy paraffinic acid ester entering the downstream technology. The method provides possibility for producing a novel environment-friendly material with low cost.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI

Running shoe capable of achieving automatic power supply and measurement and running distance display

The invention discloses a running shoe capable of achieving automatic power supply and measurement and running distance display. The running shoe is composed of a minitype transistor display screen (1), a counter (2), a pressure sensor (3), a storage battery (4), a calculation chip (5) and an electromagnetic induction power generation spring (6), wherein all the components are wrapped in a shoe body, all devices are wrapped in a sole, electricity generated by the electromagnetic induction power generation spring (6) is transmitted to the storage battery (4) through a line, and the storage battery (4) provides all the energy required by the pressure sensor (3) and the minitype transistor display screen (1). For every running step, when the sole of the foot makes contact with the ground, the pressure sensor outputs current pulses to the counter under pressure, the counter conducts recording for one time and transmits the number to the calculation chip, the number serves as one step length, and then the calculation chip calculates the running distance of an athlete according to an initially set step length average value. According to the running shoe, running distance is measured in an automatic energy supply mode, and motion data for reference are provided.
Owner:NANJING ZHUANCHUANG INTPROP SERVICES

Dust-removing equipment for parkia timoriana medicinal processing

The invention discloses dust-removing equipment for parkia timoriana medicinal processing, and relates to the technical field of medicinal plant processing. The tilt angle of the vertical face of an air blower can be adjusted conveniently by unscrewing a nut a, the tilt angle in the horizontal direction of the air blower can be adjusted conveniently by unscrewing a nut b, and the air blower can beadjusted to a appropriate blowing angle, and the application range is wide. Dust enters an annular cavity and falls into a sedimentation chamber through a conical bucket, as the conical bucket is ofthe shape of wide on the upper part and narrow on the lower part, dust reflux can be reduced, an impurity discharging pipe can be subjected to impurity discharging by opening a valve, and the operation is simple and convenient. First magnet and the second magnets attract metal impurities in the dust, and recovery is convenient. The dust finally enters into a dust-removing bag, so that the dust-removing bag retains dust, and the dust removing bag can be conveniently disassembled through a clamp, the dust removing bag cleaning is facilitated, and sustainable use is achieved.
Owner:SHEYANG YADA CHRYSANTHEMUM PROD CO LTD

A self-powered electrochromic supercapacitor

A self-powered electrochromic supercapacitor includes a nano-generator (a), a rectifier (b) and an electrochromic supercapacitor (c), wherein the anode electrode (1) and the cathode electrode (3) of the nano generator (a) are respectively connected with the AC input terminal of the rectifier (b), and the DC output terminal of the rectifier (b) is respectively connected with the transparent anode electrode (4) and the transparent cathode electrode (7) of the electrochromic supercapacitor (c) to form a complete circuit. The self-powered electrochromic supercapacitor can achieve collection-conversion-storage-application of energy from human body, can collect energy when a human body moves and then utilizing an electrochromic supercapacitor (c) to store the energy after the energy is converted, which can be used for monitoring and collecting physiological signals of a human body without external energy supply, and can be used in combination with wearable equipment for monitoring human bodyhealth.
Owner:SOUTHEAST UNIV

Preparation method of phosphate esterification starch adhesive based formaldehyde-free building inner wall putty

The invention discloses a preparation method of phosphate esterification starch adhesive based formaldehyde-free building inner wall putty. The method is characterized by comprising the following steps that a phosphate esterification starch adhesive is prepared: raw materials of disodium phosphate or / and sodium dihydrogen phosphate, starch, NaOH water solution and water are taken; esterification synthesis, esterification starch washing and esterification starch pasting are performed to prepare the phosphate esterification starch adhesive; then, an ingredient A and gypsum or white cement are mixed to prepare the phosphate esterification starch adhesive based formaldehyde-free building inner wall putty; the ingredient A is mainly prepared from the phosphate esterification starch adhesive, heavy calcium carbonate, carboxymethylcellulose and preservatives. By using the method provided by the invention, the prepared phosphate esterification starch adhesive based formaldehyde-free building inner wall putty does not contain formaldehyde; ecological and environment-friendly effects are achieved; the preparation process is completed under the low-temperature condition; the energy consumption is low; a good energy-saving and emission reduction effect is achieved; the raw material resources are wide; the comprehensive cost is low; the phosphate esterification starch adhesive based formaldehyde-free building inner wall putty can be widely applied to various building inner walls of residences, schools, hospitals and the like.
Owner:SOUTHWEAT UNIV OF SCI & TECH +1

Fiber connecting flange and light extracting module

The invention discloses a fiber connecting flange comprising a coupling assembly. The coupling assembly comprises a first connecting member and a second connecting member which are centrally symmetrical when connected. The first connecting member comprises a first connecting portion and a first clamping portion. The first clamping portion has a first through hole therein axially perpendicular to afirst inner side surface. The upper end of the first connecting portion is provided with a recessed notch corresponding to the width and the position of the first clamping portion. The bottom of thenotch is in communication with the first through hole. The fiber connecting flange of the invention can be freely replaced in an original flange tray without changing the structure of the flange tray.Within a flange insertion loss standard value, a detection light wave in an optical fiber can be extracted and recognized. The fiber connecting flange is configured to gradually replace an existing mechanical flange so that the flange can be provided with eyes to lay a solid foundation for more bloated ODN intellectualization.
Owner:南京锦龙装饰工程有限公司

Preparation method of chelate adsorbent

The invention discloses a preparation method of a chelate adsorbent. The method comprises: dissolving chitosan in an acidic solution, then mixing the solution and an organic solvent, adding an ethylenediamine tetraacetic dianhydride graft monomer (EDTAD) into the mixed solution, carrying out a grafting polymerization reaction process at 60-80 DEG C in an inert gas protective atmosphere, and washing and drying the reaction product to obtain a chitosan graft. The chelate adsorbent has good adsorptivity, and the EDTAD grafted to the chitosan provides nodes particularly capable of firmly chelatingcalcium ions. The metal ions of the used adsorbent can be recovered by an elution method and can be used continuously. The chelate adsorbent has good stability inside the tailing dam.
Owner:WUHAN INSTITUTE OF TECHNOLOGY

Method for removing arsenic from Antarctic krill oil

The invention relates to the technical field of aquatic product processing. In order to solve the problems that a traditional method for removing arsenic in Antarctic krill oil is complex and an adsorbent is hard to remove, the invention provides a method for removing arsenic in Antarctic krill oil. The method comprises the following steps: dispersing Antarctic krill oil in an organic solvent, adding EDTA (ethylene diamine tetraacetic acid) grafted magnetic chitosan, performing an ultrasonic oscillation reaction, and removing the EDTA grafted magnetic chitosan, so as to obtain Antarctic krilloil of which arsenic is removed. By adopting the method, EDTA grafted magnetic chitosan microspheres are adopted to efficiently adsorb and remove the arsenic from the Antarctic krill oil, the materialhas the advantages of being environmentally friendly, easy to separate, long-lasting in application, and the like, the application of the Antarctic krill oil of which the arsenic is removed can be widened, and the security of the Antarctic krill oil can be improved.
Owner:ZHEJIANG OCEAN UNIV

Plodia interpunctella trap

The invention belongs to the technical field of safe storage of food grains, and concretely discloses a Plodia interpunctella trap. The Plodia interpunctella trap comprises a cylinder, the cylinder ismade of a transparent brown plastic material, and a bait box is arranged at the center of the upper end surface of the cylinder; a suction fan is arranged in the cylinder, the bottom of the cylinderbody is sealed with a conical seal bottom, the conical seal bottom is made of a polytetrafluoroethylene material, a Plodia interpunctella passing port is arranged at the small head end of the conicalseal bottom, the diameter of the Plodia interpunctella passing port is 10 mm, and an included angle between the conical surface of the conical seal bottom and the horizontal plane is 30 DEG; the innerwall, close to the upper end surface, of the cylinder is uniformly provided with Plodia interpunctella attracting lamp beads along the peripheral wall of the cylinder, every Plodia interpunctella attracting lamp bead adopts an ultraviolet lamp with a wavelength of 365 nm, and a downwardly inclined reflective sheet is arranged under every Plodia interpunctella attracting lamp bead; and a Plodia interpunctella trapping net bag sleeves the lower part of the Plodia interpunctella passing port. The Plodia interpunctella trap is rationally designed based on the phototaxis of Plodia interpunctella,and has the advantages of high trapping rate, high efficiency in prevention and control of Plodia interpunctella, no pollution and sustainableness in use.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

One-way wind energy water stirrer

ActiveCN102220746AEnhance water repellent effectImprove wind energy utilizationStream regulationDrive shaftWater flow
The invention discloses a one-way wind energy water stirrer, which comprises a fan, a water stirrer, a non-return device and a transmission mechanism, wherein the lower part of a fan shaft of the fan, which is arranged along the vertical direction, is movably connected with a transmission shaft; the transmission mechanism comprises a shell; a driving bevel gear fixedly connected with the transmission shaft is arranged in the shell; the driving bevel gear is meshed and matched with two driven bevel gears; the water stirrer comprises two horizontal shafts which are respectively connected with the driven bevel gears; each horizontal shaft is fixedly connected with an outer frame; clamping grooves are formed on edges on both sides of the outer frame; both ends of a sliding plate are arranged in the clamping grooves and can be in sliding fit with the clamping grooves; the non-return device comprises two cylindrical supports which are fixed on both sides of the fan shaft; the bottom of a shaft shell is fixedly connected with the shell, and the top of the shaft shell is provided with two sections of slopes along the circumferential direction; and the two cylindrical supports are supported on the two sections of slopes. By using the one-way wind energy water stirrer, one-way water flow can be generated, and the water stirring sliding plate can slide freely, so the water stirring effect is enhanced.
Owner:江苏超明重工科技有限公司
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