38results about How to "Overcoming Pollution Defects" patented technology

The invention relates to an automobile coating parallel mechanism conveyer, which comprises two functional parts: a traveling mechanism and a lifting and turning mechanism. The traveling mechanism finishes the traveling and transporting functions of the conveyer; the lifting and turning mechanism consists of one or more parallel mechanisms; the body of the automobile or other objects to be conveyed are arranged on a moving platform of the parallel mechanism; and the parallel mechanism is driven to finish the lifting and turning of the object to be conveyed. The movement of the traveling mechanism is combined with that of the parallel mechanism; the body is driven to realize advancing and retreating, lifting, tilting or composite movement thereof so as to be fully stirred in an electrophoresis tank to achieve the purpose of completely eliminating bubbles on the top of the automobile body during the electrophoresis. Because the parallel mechanism is adopted by the conveyer, the bearing capacity of the conveyer is increased so as to be suitable for conveying the bodies of different types or sizes, and the flexibility of the conveyer is also increased; and because the suspending and conveying system has a gantry structure, the conveyer successfully overcomes the defect of dropping liquid pollution and is therefore an environment-friendly conveyer on the automobile coating production line.

The invention discloses a solvent-free method of preparing a Co-MOF material based on a cobalt-containing double metal oxide. The method comprises the following steps of: grinding and mixing the cobalt-containing double metal oxide with a ligand compound; putting the mixture in a sealing kettle; and performing a reaction at 80-300 DEG C in the sealing kettle to obtain the Co-MOF material which is large in specific surface and has mesopores and micropores at the same time. The method is simple to operate, short in period and high in yield, provides a novel MOF material preparation path, and greatly lowers the production cost of the MOF material, so that industrial production is facilitated.

A process for breaking the wall of ganoderma spora with high wall-breaking rate (more than 99%) includes such steps as choosing pearl particles with different diameters from 2 mm to 5 mm, proportionally mixing them with ganoderma spora and water, ball grinding, separating pearl particles from wall-broken spora, drying and pulverizing.

The invention discloses a method for preparing a high-crystallinity covalent organic framework membrane by using an ionic liquid-water interface. The method comprises the following steps of: dissolving an aldehyde monomer in a hydrophobic ionic liquid to obtain a solution A; dissolving an amine monomer and an acid catalyst p-toluenesulfonic acid in deionized water to obtain a solution B; transferring the solution A into a reactor, adding deionized water to the surface of the solution A, layering, adding the solution B to the upper part of the deionized water layer, and performing a reaction for more than 3 days in the reactor under the condition of still standing at room temperature, so as tosynthesize the covalent organic framework membrane by using a double-diffusion control mechanism that the hydrogen-bond interaction of the acid catalyst and the amine monomer and the high viscosity of hydrophobic ionic liquid are utilized and the diffusion rates of the two monomers are limited at the same time. The covalent organic framework membrane prepared by the method has very high crystallinity, the specific surface area of themembrane is increased by 4 times compared with that of a covalent organic framework membrane synthesized on a traditional dichloromethane-water interface, and the solvent flux is also increased by 2 times under the condition that dye interception is not influenced.

The invention discloses a SBS aqueous binder and a preparation method thereof. The SBS aqueous binder comprises polar SBS, tackifying resin, auxiliary agents, water and an organic solvent. The polar SBS is obtained by anionic polymerization grafting of active SBS with a polyvinylpyridine chain segment. The preparation method comprises dissolving the polar SBS and the tackifying resin in the organic solvent, then adding the mixed solution into an aqueous solution containing an emulsifier and carrying out emulsification dispersion. The SBS aqueous binder has good solubility and dispersibility in water, greatly reduces the use amount of the organic solvent and has high compatibility and adhesion with the polar substance.

The invention relates to a recovery method for electronic waste and waste lead-acid cells, which belongs to the field of waste recovery. The recovery method comprises the following process flow: a crushing procedure for obtainment of a metal waste mixed material; a batching procedure of compounding the metal waste mixed material with ore having lead content of 25 to 60% so as to obtain a compound material with lead content of greater than 10%; a pellet ore compacting procedure of compacting the compound material and limonite into pellet ore; a mixing and smelting procedure of smelting biomass charcoal so as to obtain crude lead; a refined precipitation procedure for obtainment of a lead ingot; a fuming procedure; a slag iron smelting procedure for obtainment of slag iron and fused smelting furnace slag; and a ceramsite preparation procedure of molding the fused smelting furnace slag so as to obtain ceramsite, wherein the ceramsite produced in the ceramsite preparation procedure is used for planting photosynthetic bamboo which is then subjected to carbonization so as to obtain biomass charcoal, and the produced biomass charcoal is used in the mixing and smelting procedure. The method provided by the invention overcomes the defect of environmental pollution in the prior art and has the advantages of a high recovery rate, low cost and no pollution to the environment.

The invention relates to a method for producing mycoprotein feed from sugar beet pulp. The method comprises the following steps of 1, carrying out raw material treatment by crushing sugar beet pulp and adding 10-15% of wheat bran into the crushed sugar beet pulp, 2, adjusting water content of the sugar beet pulp to 40-50% and adjusting a pH value of the sugar beet pulp to 7, 3, inoculating the treated sugar beet pulp with 2-3% of a fermentation strain, carrying out stirring to obtain a uniform mixture, and carrying out fermentation at a temperature of 28-30 DEG C for 20-30h, and 4, drying the fermented mycoprotein, and carrying out crushing to obtain the mycoprotein feed. After sugar beet pulp crushing, a boiling process is carried out. The fermentation strain comprises 50% of geotrichum candidum and 50% of candida. The method utilizes fermentation of the sugar beet pulp obtained by sugar preparation to realize feed preparation and thus the problem of high treatment difficulty of sugar beet pulp in the factory is solved, pollution on the environment is avoided, a sugar beet added value is increased and feed production methods are increased. The method has low equipment and condition requirements, has simple processes and is convenient and practical.

The invention belongs to the technical field of medical articles, in particular to a disposable full-closed dosing needle. Clinically, an injector is normally used in dosing operation for intravenous drip, and the probability of medicine contamination is increased when the plunger of the injector is contaminated during dosing, the needle pierces the plugs of medicine bottles and liquid bottles for multiple times, the outside air is injected into the medicine bottle as liquid medicine is sucked and the needle is exposed in the air. In the technical scheme of the invention, the disposable full-closed dosing needle comprises dosing needles and a soft dosing tube or the dosing needles, the soft dosing tube and a pressure-regulating scalp needle; the dosing needles are mounted on both ends of the soft dosing tube, and are a type A dosing needle with a side hole and a type B dosing needle with an end hole; and the pressure-regulating scalp needle comprises a pressure-regulating needle and a soft tube. The disposable full-closed dosing needle is applicable to the dosing operation of all rubber plug type medicine bottles, liquid bottles and the like, and utilizes the difference between the pressure in a medicine bottle and the pressure in a liquid bag and the aseptic air to carry out the dosing process under the closed state, thus decreasing the probability of medicine contamination.

The invention discloses a method for rapid solvent-free preparation of heteroatom-doped graphitized carbon with high specific surface area. The method comprises the following steps: carrying out grinding and mixing on organic sulfonate and / or organic phosphonate and oxygen-containing organic polymer; then putting a mixture in protective atmosphere, and carbonizing at high temperature; washing and drying a carbonized product to obtain the heteroatom-doped graphitized carbon with the high specific surface area and mesopore and micropore structures. The method has the advantages of simple operation, no need of solvent, high yield and controllable heteroatom content; in addition, the production cost is greatly reduced, and industrial production is facilitated.

The invention discloses a new wood modification composition and its preparation method and application. The composition is mainly made of the following raw materials: 37% formaldehyde, borax, ammonia water, urea, melamine, boric acid, dicyandiamide phosphate, High carbon alkyl quaternary ammonium salt, sodium lauryl sulfate, sodium alkylphenol ether sulfosuccinate, decylphenol polyoxyethylene ether, N-methylol acrylamide, butyl acrylate, styrene, Isooctyl acrylate, acrylic acid, tertiary dodecyl mercaptan, ammonium persulfate, sodium bicarbonate, sodium metasulfite, chlorinated paraffin with a chlorine content of 50-60%, silica microemulsion with a solid content of 45% and / or 40 % solid content of hydrated aluminum oxide microemulsion. The artificial forest and low-grade wood modified by the composition of the present invention not only have significantly improved physical and mechanical properties, but also have excellent fire-retardant, moth-proof, mildew-proof and anti-corrosion properties, and also overcome the existing wood preservatives. Generally contain defects such as heavy metal ions and other toxic components.

The invention provides cryopreservation liquid for human neural stem cells, belongs to the technical field of stem cell cultures, and is a stem cell cryopreservation liquid composition suitable for clinic application. Various ingredients are used for optimizing the cryopreservation conditions; the cryopreservation liquid is prepared from the following ingredients in percentage by volume: 65 to 75percent of serum-free culture media of human neural stem cells, 3 to 5.5 percent of traditional Chinese medicine of rhizoma gastrodiae sourced monomeric compound solution, 9 to 12 percent of dimethylsulfoxide, 3 to 5.5 percent of adenosine, 2.5 to 5 percent of human neural stem cell sourced exosome solution and 2.5 to 5 percent of human neural stem cell sourced oligopeptide and polypeptide compound solution. After the cryopreservation of the human neural stem cells in the cryopreservation liquid, the recruitment rate reaches 85 percent or higher. No fetal calf serum is contained in the cryopreservation liquid; the exogenous unclear ingredient and pathogenicity pollution is prevented; the quality stability and safety and the standardized production of the stem cell treatment product are effectively ensured; the foundation is laid for the clinic treatment.

The invention relates to a machining method and special device for vehicle aluminum alloy heat exchange water tank radiator pipe. It puts the machining radiator pipe between two rollers of special device, which has flux on the surface. The flux would coat equally onto the surface of radiator pipe. The special device includes upper roller and down roller. The down part of driving upper roller drainage wheel and down roller is dipped in stock solution slot containing flux solution. The invention decreases a machining process, shortens machining time, improves producing efficiency, and decreases pollution to environment. The defective fraction of using the method could be under 0.3%. And the surface of the product is smoothing and bright.

The invention provides a method for preparing chemicals by lignocellulose all-component higher value application. The method includes the steps: crushing and drying lignocellulose raw materials to obtain raw material particles; performing first reaction on the raw material particles: mixing the raw material particles, alcohol solvents and metal catalysts in a reactor, leading nitrogen into the reactor, leading pressurized hydrogen into the reactor, stirring mixture, heating the mixture to reach first temperature, performing reaction, rapidly cooling the reactor to reach room temperature, and performing solid-liquid separation on reaction mixture to obtain a phenol compound and carbohydrate slurry; performing second reaction on the carbohydrate slurry: adding metal halides and reaction solvents into the carbohydrate slurry, heating the mixture to reach second temperature, performing reaction, centrifuging reaction mixture, and collecting an organic phase product to obtain furfural and levulinic acid. The method is simple in preparation technology, reaction conditions are mild, all-component higher value utilization of lignocellulose can be achieved, production cost is low, and the method has good industrial popularization prospects and is more suitable for practicability.

The invention discloses a production system of a single-surface single-layer blue ray disc, which comprises a first sputtering station, a second sputtering station, a recording layer formation mechanism, a first spin-coating curing mechanism, a second spin-coating curing mechanism, a third spin-coating curing mechanism and a detecting mechanism, wherein the first spin-coating curing mechanism comprises a first spin-coating bowl and a first curing unit which are arranged in parallel; the recording layer formation mechanism comprises a second spin-coating bowl, a third spin-coating bowl and a press molding device; the second spin-coating curing mechanism comprises a fourth spin-coating bowl and a second curing unit which are arranged in parallel; and the third spin-coating curing mechanism comprises a fifth spin-coating bowl and a third curing unit which are arranged in parallel. When the system is used for manufacturing the blue ray disc, a paper substrate is adopted. Therefore, an injection molding machine is not needed, further, the energy consumption is reduced and energy sources are saved. The manufactured blue ray disc is easy to destroy and can be recycled. When destroyed, the blue ray disc does not pollute the environment. In addition, the invention also discloses a method for manufacturing a recordable single-surface single-layer blue ray disc and a method for manufacturing a read-only single-surface single-layer blue ray disc.

The invention discloses a multifunctional automobile sunshade umbrella, which can be used for solving the defects in the prior art that no special sunshade devices for large mechanical equipment such as automobiles and the like exist so that the comfort and safety when the large mechanical equipment such as automobiles are used at high temperature in summer are greatly decreased. The sunshade umbrella comprises a supporting box, a foldable sunshade umbrella movably connected with the supporting box and an actuating unit arranged inside the supporting box, wherein the umbrella cover of the foldable sunshade umbrella is divided into two parts of a front umbrella cover and a back umbrella cover. Based on the above, the invention further discloses an application method of the multifunctional automobile sunshade umbrella. The multifunctional automobile sunshade umbrella is simple in structure and low in cost, fills the market vacancy of automobile sunshade umbrellas, and has wide market prospect. Therefore, the multifunctional automobile sunshade umbrella is suitable for large-scale popularization and application.

The invention provides high-concentration anion-doped TiO2 as well as a preparation method and application thereof, and the preparation method comprises the following steps: pre-carbonizing a titanium source, introducing an oxygen vacancy defect into the pre-carbonized titanium source through a high-temperature hydrogen reduction method, doping through doping source diffusion in a protective atmosphere, washing a doped product, and carrying out drying in vacuum to obtain high-concentration anion doped TiO2, wherein the titanium source is at least one of Ti-MOF, anatase and rutile type TiO2, and the doping source is one of sublimed sulfur, elemental selenium and red phosphorus. According to the preparation method, oxygen vacancy defects are introduced through hydrogen reduction treatment, oxygen vacancies are used for assisting heteroatoms in entering titanium dioxide or Ti-MOF crystal lattices, the high-concentration anion doping level is achieved, the preparation method has the advantages of being short in process, easy to operate, rapid and efficient, and industrial production is facilitated.

The invention discloses a laminated adhesive and a preparation method thereof. The laminated adhesive is prepared from matrix resin, tackifying resin, auxiliaries and a solvent. One end of the matrix resin is provided with amino, and the other end of the matrix resin is provided with an SBS three-section embedded copolymer. The laminated adhesive has the advantages of being good in flowability, strong in binding power and good in printing ink affinity, the defects that an existing SBS adhesive is poor in affinity to the printing ink layer, when printing oil is hard to uncover when laminated paper is peeled off, and the plain membrane phenomenon is likely to occur are overcome, and the laminated adhesive is environmentally friendly, low in cost and capable of meeting the requirement for industrial production and application.

The invention discloses a method for preparing a nitrogen-rich carbon-coated cobalt-containing compound without a solvent. The method comprises grinding and mixing a cobalt-containing compound and a nitrogen-containing ligand, then placing the mixture in a high-pressure reactor, carrying out a reaction process at a temperature of 140 to 350 DEG C to obtain a precursor, and carbonizing the precursor at a temperature of 300 to 1000 DEG C in a protective atmosphere to obtain the nitrogen-rich carbon-coated cobalt-containing compound having a high specific surface area and a mesoporous and microporous structure. The method has simple processes, is free of a solvent, realizes a high yield and control of nitrogen content and carbon content, greatly reduces a production cost and is conducive to industrial production.

A storable clean-keeping closestool comprises a housing, an inner bucket and a seat ring, wherein the inner bucket and the seat ring are arranged in the housing. The storable clean-keeping closestool is characterized in that a disposable excrement collecting plastic bag is arranged in the inner bucket, the disposable excrement collecting plastic bag is connected with the inner bucket through a hanging buckle, and a macromolecular water-absorbent resin material is arranged in the excrement collecting plastic bag. When the storable clean-keeping closestool is used, only the excrement collecting plastic bag needs to be arranged in the inner bucket and is connected in a hanging buckle mode, and then the excrement collecting plastic bag in the inner bucket is propped open with hands to form a thin film container in a shape of a big-end-up inverted trapezoid. The macromolecular water-absorbent resin material in the excrement collecting plastic bag can absorb urine in excrement. A storage rope arranged on the excrement collecting plastic bag can conveniently tighten a bag opening for storage. The defect that jolting, shock and the like on a vehicle-mounted movable occasion easily cause overflow of urine in the closestool and accordingly environmental pollution is caused is overcome. The storable clean-keeping closestool is very convenient to use and reliable and is especially suitable for carrying about and use in the running way.

The invention discloses a method for manufacturing tin oxide needle-shaped conductive fine particles. Including: 1) preparing the precursor precipitate; characterized in that it also includes the following steps: 2) drying the precursor precipitate at 105-120° C. for 5-8 hours; 3) adding NaCl and / or containing Silicon compound; 3) After pulverization, burning: burning at 750-800°C for 0.5-1.5 hours, then burning at 1050-1200°C for 1-3 hours; Beat for 1.5 to 2 hours at a temperature of °C, and filter to obtain needle-shaped conductive fine particles of tin oxide. The powder resistance of the obtained tin oxide acicular conductive powder can reach below 2Ω, and the acicular ratio is 20-30. The method for preparing tin oxide needle-shaped conductive fine particles has small equipment investment, good safety, no environmental pollution, and is convenient for industrialized implementation.

The invention relates to an automobile coating parallel mechanism conveyer, which comprises two functional parts: a traveling mechanism and a lifting and turning mechanism. The traveling mechanism finishes the traveling and transporting functions of the conveyer; the lifting and turning mechanism consists of one or more parallel mechanisms; the body of the automobile or other objects to be conveyed are arranged on a moving platform of the parallel mechanism; and the parallel mechanism is driven to finish the lifting and turning of the object to be conveyed. The movement of the traveling mechanism is combined with that of the parallel mechanism; the body is driven to realize advancing and retreating, lifting, tilting or composite movement thereof so as to be fully stirred in an electrophoresis tank to achieve the purpose of completely eliminating bubbles on the top of the automobile body during the electrophoresis. Because the parallel mechanism is adopted by the conveyer, the bearing capacity of the conveyer is increased so as to be suitable for conveying the bodies of different types or sizes, and the flexibility of the conveyer is also increased; and because the suspending and conveying system has a gantry structure, the conveyer successfully overcomes the defect of dropping liquid pollution and is therefore an environment-friendly conveyer on the automobile coating production line.

The invention relates to an automatic protective control device for a fiber reinforced plastic hydrochloric acid storage tank. The device aims at solving the problems that during use of fiber reinforced plastic hydrochloric acid storage tanks in the current domestic chemical industry for making chlorine and alkali, the pressure of gas-phase parts in the tanks change intensively due to feeding or discharging of liquid, correspondingly the storage tanks are likely to explode or get shrunken, and hydrogen chloride gas directly overflows to the outside and pollutes the environment. According to the automatic protective control device, by arranging a pressure transmitter and an electric butterfly valve on the top of the tank, arranging an acid discharging pump on the outer side of the bottom ofthe tank and arranging a hydrogen chloride gas absorption tower and an exhaust fan outside the tank, it is ensured that the fiber reinforced plastic hydrochloric acid storage tank is used safely on the premise of meeting environmental protection requirements. The device is safe, reliable, easy to control, convenient to check, environmentally friendly, economical and capable of effectively ensuring safe use of the hydrochloric acid storage tank.

The invention discloses a manufacturing method of needle-shaped conductive grain of tin oxide, which comprises the following steps: 1) preparing priority sedimentation; 2) drying the priority sedimentation at 105-120 deg.c for 5-8 h; 3) adding NaCl and or composition with silicon in the dried product; 4) grinding; sintering at 750-800 deg.c for 0.5-1.5 deg.c; sintering 1050-1200 deg.c for 1-3 h; beating sintered product in the alkali solution at 20-99 deg.c for 1.5-2 h; filtering to obtain needle-shaped conductive grain of tin oxide with less than 20 omega for powder resistance and 20-30 needle shape rate.

The invention discloses a laminating adhesive and a preparation method thereof. The laminating adhesive includes a matrix resin, a tackifying resin, an auxiliary agent and a solvent, wherein the matrix resin is a SBS three-block block with an amino group at one end and a carboxyl group at the other end. Copolymer, the laminating adhesive has the characteristics of good fluidity, strong cohesive force, and good ink affinity, which overcomes the poor affinity of the existing SBS adhesive to the ink layer, and the ink is difficult to remove when the laminating paper is peeled off. In the past, the defect of "light film" phenomenon is easy to appear, and the laminating adhesive is environmentally friendly, low in cost, and meets the requirements of industrial production and application.

The invention relates to the field of waste recycling, and particularly relates to a production method of a reclaimed rubber. The production method of the reclaimed rubber comprises the following steps: collecting scrapped rubber materials; crushing the rubber materials so as to obtain granular raw materials; desulfurizing the granular raw materials so as to obtain activated rubber powder; milling the activated rubber powder so as to obtain the reclaimed rubber. The production method of the reclaimed rubber disclosed by the invention can be used for better overcoming the defect that in the prior art, large amounts of scrapped rubber products are directly discarded or collectively collected and then burned, so that the waste of raw materials and the environmental pollution are caused.

The invention relates to a method for treating solid mining and metallurgical waste by using photosynthetic bamboo, which belongs to the field of environmental pollution treatment. The method is characterized in that mineral separation tailings or / and mining waste rock or / and metallurgical waste residue are piled to form a triangular inner core (1), two edges of the triangular inner core (1) are flattened to form terraces (2), photosynthetic bamboo (4) are planted in the terraces (2), the terraces (2) are immobilized by roots (3) of the photosynthetic bamboo, the triangular inner core (1) is immobilized by the terraces (2), so all the solid mining and metallurgical waste is immobilized. After harvesting, the photosynthetic bamboo is used for preparation of charcoal, and the prepared biomass charcoal is used for metal smelting. The method provided by the invention overcomes the defect of environmental pollution caused by incomprehensive and incomplete disposal of solid mining and metallurgical waste in the prior art and has the advantages of easiness, practicability, high efficiency, economic performance, low cost and high benefits.