5590results about How to "Strong impact resistance" patented technology

The invention relates to the technical field of paper boxes, and provides a double-layered packaging paper box. The double-layered packaging paper box comprises box covers, cover strips, flaps, reinforcing plates and a box body outer layer, wherein the reinforcing plates are arranged in the box body outer layer; the cover strips are arranged on the left surface and the right surface of the upper part of the box body outer layer; the flaps are arranged on the front surfaces and the rear surfaces of the cover strips; the box covers are arranged on the front surface and the rear surface of the upper part of the box body outer layer; and each reinforcing plate comprises a reinforcing plate main body, reinforcing ribs and connecting ribs. By arrangement of the cover strips and the flaps, good paper box packaging operation can be realized favorably, the box packaging speed is increased, the production efficiency is improved, and huge economic benefits can be brought for users; and by arrangement of the reinforcing ribs, impact resistance and compression resistance of the paper box are enhanced favorably, the using effect of the paper box is improved, the impact resistance and the compression resistance of the paper box are high, huge economic benefits are brought for the users, and characteristics of impact resistance and extrusion resistance are realized.

The invention relates to a centralized kitchen waste treatment method which comprises the following steps of: (A) sorting kitchen waste; (B) separating oil from water; (C) treating oil; (D) treating sewage; and (E) treating odor. Compared with a traditional kitchen waste burying method, by using the centralized kitchen waste treatment method, a great amount of soil is saved and an available methane resource is generated, kitchen waste reaches 100 percent of harmlessness, more than 95 percent of resource utilization and more than 95 percent of quantitative reduction, and the harmless treatmentof waste and the recycle of resources are truly realized.

The present invention discloses three-dimensional ordered macroporous alumina and a preparation method thereof. The three-dimensional ordered macroporous alumina has a macropore diameter of 50-1000 nm, a particle size of 1-50 mm, and a mechanical strength of 80-280 g/mm. The method comprises the following steps: adding a saccharide compound and concentrated sulfuric acid to a monodisperse polymer microsphere emulsion to obtain a modified polymer microsphere colloid crystal template; filling an alumina sol; and then carrying out aging and calcination to obtain the three-dimensional ordered macroporous alumina. With the method of the present invention, an adhesion amount of the alumina precursor can be substantially improved, a mechanical strength of the material is enhanced, and the macroporous material is not easily broken into fine powder when high temperature calcination is performed to remove the template so as to maintain high integrity.

The invention provides a treatment system and treatment method for biochemical effluent of industrial wastewater. The treatment system comprises a flocculation sedimentation unit, a filtration unit, an advanced oxidation unit, an ultrafiltration unit, a reverse osmosis unit, a nanofiltration unit, an electrodialysis unit and an evaporation unit which are sequentially connected; and the water production outlet of the ultrafiltration unit is connected with the water inlet tank of the reverse osmosis unit, and the concentrated-water outlet of the reverse osmosis unit is connected with the water inlet of the nanofiltration unit. According to the invention, the treatment system and the treatment method utilize the coupling and synergistic effects of a physical-chemical method and a membrane technology to overcome the limitation of using a single technology, and the advanced treatment and desalination reuse of the industrial wastewater are realized; and the treatment system and the treatmentmethod have the advantages of strong adaptability to raw water, a high recovery rate of fresh water, a high concentration multiple of concentrated water, low energy consumption of evaporation and crystallization and the like, greatly improve the reuse rate of the industrial wastewater, reduce the amount of wastewater discharging, can be applied to the deep treatment and desalination reuse of various effluent wastewater, and promote the promotion and application of the technology in related industries.

The invention provides a polymer modified asphalt, and the weight of the components comprising as follows :45-55% matrix asphalt, 4 - 8% blend oil, 12 - 14% of SBS ,5-9 % APAO, 2-7% of High-temperature improvement and 15-20% filler. It also offers polymer modified asphalt, which made of waterproof membrane and the railway bridge, highway bridge deck waterproofing project applications. The invention of these waterproofing membrane have a high standard of waterproof function, it can withstand high intensity of railway bridge and particularly high stress dynamic load .It also have excellent performance on water-resistance, high and low temperature resistance, adhesion, crack resistance, fatigue resistance and other aspects .it can be used for railway bridge and the road deck waterproofing works.

The invention discloses a spatial six-degree-of-freedom vibration measuring and damping vibration attenuating method. The method comprises the following steps of: 1) erecting six-displacement-sensor parallel measuring and damping vibration attenuating mechanism; 2) fixing a detected motion object and a fixed platform; 3) obtaining a motion variation rule by using an expansion variation displacement time of an expansion pull rod, and obtaining a vibration rule of the detected motion object by using a measurement algorithm with a positive solution; 4) obtaining a damping value of a six-degree-of-freedom controllable damper required by the vibration by using a damping vibration attenuating algorithm; and 5) adjusting the damping value of the six-degree-of-freedom controllable damper to a value obtained by the damping vibration attenuating algorithm. According to the invention, six-degree-of-freedom measurements of three vibration displacements and three vibration angles of the motion object at the same measurement point are achieved by using one set of mechanism; meanwhile, the vibration control of the motion object can be achieved; and the spatial six-degree-of-freedom vibration measuring and damping vibration attenuating method disclosed by the invention has the advantages of high accuracy, simple structure, good flexibility, strong adaptability, wide application range and the like.

The invention relates to the field of industrial wastewater treatment processes and provides a method for deeply treating, desalting and recycling industrial wastewater with high salt content. The method comprises the following steps: 1) carrying out efficient coagulation treatment on the industrial wastewater with high salt content to obtain supernatant; 2) carrying out chemical precipitation on the supernatant obtained in the step 1) to remove high valence ions with valence higher than bivalence in the wastewater; 3) carrying out catalytic ozonation treatment on the supernatant subjected to chemical precipitation in the step 2); 4) carrying out multi-media filtration, precise filtration and membrane filtration treatment on the wastewater subjected to catalytic ozonation in the step 3) in sequence; and 5) carrying out electrodialysis reversal treatment on the effluent obtained after membrane filtration in the step 4). By adopting the method, organic matters, bacteria, colloids, suspended particles, Ca<2+>, Mg<2+> and high valence ions, other soluble inorganic salts and the like in the industrial wastewater with high salt content are removed by utilizing the coupling and synergistic effects of different unit technologies, thus achieving deep treatment, desalting and recycling of the industrial wastewater with high salt content.

The invention discloses an electric locomotive pantograph copper-impregnated carbon contact strip producing method. The method comprises the steps that 1, pitch coke powder, graphite powder, siliconized graphite powder and high temperature pitch are mixed according to the proportion to be ground into powder; the mixed powder is prepressed into a stage stock column, and then the stage stock column is solidified and squeezed to be molded and roasted, so that a composite carbon contact strip is obtained; 2, the composite carbon contact strip is cleaned and dried, then is cooled and placed into a graphite crucible, and is placed in an electric furnace at temperature of 1300-1400 DEG C to be preheated; copper liquid is poured into the crucible to soak the composite carbon contact strip, then the crucible is placed in an oil press cover, nitrogen is led in, heat preservation is kept for 3-5 min under the specific intensity of pressure, and finally cooling is carried after pressure releasing. According to the electric locomotive pantograph copper-impregnated carbon contact strip producing method, the electroconductibility of the copper-impregnated carbon contact strip is improved, the electrical resistivity is lowered, the mechanical strength of the carbon contact strip and copper impregnated angle can be increased, then the carbon contact strip abrasive resistance and self-lubrication are improved, the copper-impregnated carbon contact strip is more resistant to abrasion, main line damage and block dropping are avoided, the shock resistance is high, and the service life of the copper-impregnated carbon contact strip is prolonged.

The invention discloses a compound fertilizer special for dragon fruit, and a preparation method and an application thereof, and belongs to the technical field of the fertilizers and the preparation methods thereof. The compound fertilizer special for the dragon fruit is prepared from the following components by weight percent: 40-90% of organic fertilizer, 40-49% of inorganic chemical fertilizer, 4-6% of humic acid, 0.5-1.5% of nutritional additives, 5-7% of composite binder and 0.4-0.7% of conditioner. Due to optimized combination of the organic fertilizer, the inorganic fertilizer, major elements and trace elements, the dragon fruit can be enabled to bloom and bear fruits early, the yield of the dragon fruit can be increased, and the quality of the dragon fruit also can be improved. Due to organic-inorganic combination, complete nutrition is provided for the growth of the dragon fruit, and the soil structure can also be modified easily, the utilization rate of the fertilizer is increased, and the yield and the quality of the dragon fruit can be improved remarkably; in the meantime, the compound fertilizer also has the advantages that the agricultural wastes are recycled and the preparation cost of the fertilizer is low, and therefore, the compound fertilizer is excellent in economic benefit and ecological environmental benefit.

The invention discloses an organic silicone resin, a curable organopolysiloxane composition and an application. A structural formula of the organic silicone resin is shown as formula I. The curable organopolysiloxane composition is obtained by mixing the organic silicone resin with an organic silicone compound having at least two hydrogen atoms bonded with a silicone atom in one molecule. The curable organopolysiloxane composition can be applied on luminescent semiconductor package. The curable organopolysiloxane composition has the following advantages of excellent adhesive property, relatively strong hardness, excellent impact resistance, high transparency, little color change in a heat resistance test and high luminescent efficiency. Besides, the curable organopolysiloxane composition is not easy to peel off in a thermal shock test and presents excellent adhesive power in adhesive experiments with PPA and metal. The formula I is R1R22SiO(R3SiO3/2)a(SiO4/2)b(R42SiO)cOSiR22R1.

The invention discloses an anti-shock damping safety seat. The both sides at the bottom of a seat main body are connected with a supporting plate through damping rods; the back surface of the seat main body is in sliding connection with a back plate through a damping connecting piece; the damping connecting piece comprises a connecting block, a damping spring group, a silica gel layer and a sliding block; one side of the connecting block is fixedly connected with the back surface of the seat main body, while the other side of the connecting block is connected with the silica gel layer through the damping spring group; one side of the silica gel layer is connected with the sliding block; a sliding chute in fit with the sliding block is formed in the back plate; a fixing base is coated with a first anti-collision bag; the first anti-collision bag is filled with a buffer material; a buffer bag is arranged in the fixing base and filled with a buffer gas generating material; second anti-collision bags are arranged on the back surface and the bottom surface of the seat main body and are filled with an energy absorbing material; arc-shaped rubber layers are arranged on the outer sides of the second anti-collision bags. The anti-shock damping safety seat, disclosed by the invention, is better in shock resistance, good in buffering and damping effect, capable of automatically recovering within a certain range, and good for protecting human body.

An anti-impact multiplying combination coking wastewater treatment technique relates to a treatment method of coking wastewater. The coking wastewater is first qualified by a physical-chemical pretreatment to improve biodegradable property of wastewater; the composite technology of a biological carrier of active sludge is adopted to do anaerobic/hypoxia/aerobic decarbonization/aerobic nitrification biochemical combination treatment; suspended or floating folding ball-shaped fillings are arranged in biochemical reactors and when micro organism traits are abnormal or a great amount of foams existing in the reactor, micro organism active incentive agents are added to the reactor in interval to improve active sludge traits and organism film quantity; finally the water is treated by a physical-chemical advanced treatment to reach a top grade standard. The invention not only strengthens the removal of COD, ammonia-nitrogen, volatile phenol and other pollutants in the coking wastewater by biochemical treatment but also resists serious water quality impact and has the advantages of quick system startup, less foams in an aeration tank, small occupying space, low operation cost and stable and effective treatment to coking wastewater.

The invention relates to a small electric unmanned helicopter aerial photography system based on a front-end triaxial-type pan-tilt. The small electric unmanned helicopter aerial photography system is a small unmanned helicopter aerial photography system design mainly comprising a front-end triaxial-type pan-tilt design, a small unmanned helicopter platform design, a ground station design, and a communication system design, and belongs to the technical field of aircraft designs. The aerial photography system is light and flexible, high in integration level, low in noise, small in vibration, good in use maneuverability, low in requirements on the conditions of use environments, site and the like, and capable of realizing the omnibearing photography. The aerial photography system has a high practical value and a wide application prospect in the field of unmanned aircrafts.

The invention relates to a preparation method for epoxide resin pouring sealant with low density and high impact resistance. The epoxide resin pouring sealant in the invention comprises epoxide resin, curing agent and promoter thereof, reactive diluent, polyurethane prepolymer coating hollow glass microballoon, foam killer and the like. The encapsulating material has low toxicity, fine wetting quality, and condensate thereof has low density, high impact resistance, low linear expansibility and good weather resistance. The pouring sealant is applicable to encapsulation of electrical apparatus elements under the condition of miniaturization, light weight and impact resistance.

The invention relates to a thermoplastic resin composite material for laptop shells and a manufacturing method thereof. The composite material comprises the following components in percentage by weight: 40 to 60 parts of thermoplastic resin, 10 to 20 parts of organic fibers, 0 to 20 parts of inorganic fibers, 0 to 10 parts of other aids, and 20 to 40 parts of halogen-free flame-retarding master batch. The manufacturing method comprises: melting thermoplastic resin to obtain melt, immersing fibers into the melt of the thermoplastic resin, adding other aids into the melt, cooling the melt, and making fiber reinforced thermoplastic resin granules; and mixing the granules and the halogen-free flame-retarding master batch in batch to obtain the composite material. Compared with the prior art, the composite material manufactured by the method has high toughness, high strength and high rigidity, and has the characteristics of environment-friendliness, flame retardance, high thermostability, and low-temperature toughness. The thermoplastic resin composite material is an ideal novel laptop shell material.

The invention discloses a method for treating coking wastewater, which belongs to the field of wastewater treatment. The method comprises the following steps that: wastewater of a coking plant enters a regulating reservoir for the adjustment of water quality and water amount, and orderly enters a hydrolytic tank, an anaerobic tank, a preaeration tank, a preliminary sedimentation tank, an aerobic tank, a secondary sedimentation tank and a coagulation reaction tank for treatment, wherein the hydrolytic tank and the preaeration tank are filled with a bio-cord filler; the sludge of the preliminary sedimentation tank refluxes into the hydrolytic tank and the anaerobic tank respectively; a clarifying solution of the secondary sedimentation tank refluxes into the anaerobic tank; and the aerobic tank adopts a moving bed bio-film reactor. The bio-cord filler adopted in the invention has short film formation time and high biomass, does not need repeated washing, and has strong shock resistance; and the moving bed bio-film reactor can fix a large amount of nitrobacteria with long generation time, and has no the problem of blocking. The method can remove high-concentration ammonia nitrogen and organic substances in the coking wastewater, and the COD and the ammonia nitrogen of treated effluent can synchronously achieve the primary standard of the national integrated wastewater discharge standard (GB9878-1996).

The invention discloses acrylic resin with high toughness, which comprises the following components according to the weight portion: 50-75 of acrylic resin, 5-35 of polyethylene resin, 5-35 of compatilizer, 0.2-1 of processing materials, 4-15 of filling agent and 0.3-1 of dispersing agent, wherein the acrylic resin is one or the composition of more than two of isotactic PP, syndiotactic PP, block co-polymerized polypropylene or random co-polymerized polypropylene, and melting flow index of the acrylic resin is (0.4-30)g/10min. The invention aims at overcoming the defects of the prior art, and providing the acrylic resin with rich source, low price, high elongation at break, strong temperature toleration, high softening point, excellent impact property, fatigue and bending resisting properties and wide application.