75results about How to "In line with green environmental protection" patented technology

The invention relates to a multifunctional polypropylene composite material and a preparation method thereof. The composite material is prepared from a thermoplastic polypropylene resin matrix, inorganic particles, thermal conducting fillers or a halogen-free flame retardant, carbon-based thermal conducting fillers, toughening fillers and other processing additives, the highest heat conductivity coefficient of the composite material is larger than 5.0 W/m.K, the insulating property is excellent, the vertical flammability is UL94 V-0, and the mechanical properties are excellent. The operation is simple, the cost is low, the multifunctional composite material with excellent comprehensive performance can be prepared in one step, industrialized production is easy to achieve, and the multifunctional polypropylene composite material can be widely used in such fields as heat exchangers, instrument shells, circuit components, automobiles, chemical energy and aviation, etc.

The invention relates to a sound box module and especially relates to a loudspeaker and a manufacturing method thereof. Sound is generated by the loudspeaker in a manner of generating mechanical vibration under an action of an electromagnetic force. The loudspeaker comprises a sound box module which comprises a horn, a driven radiator and a sound box panel, wherein a mounting hole is formed on the sound box panel; the horn is arranged at the mounting hole and is integrally formed with the sound box panel in the manner of embedding ejection; a secondary mounting hole is formed on the sound box panel on one side of the mounting hole; and the driven radiator is arranged in the secondary mounting hole and is integrally formed with the sound box panel in the manner of embedding ejection. The loudspeaker has the advantages of small volume, small thickness, simple structure and enhanced low pitch. The loudspeaker can be used as a built-in loudspeaker or an external loudspeaker of a modern panel personal computer or intelligent mobile phone, and the like. In order to ensure an excellent sound effect of the sound box, an embedding ejection integrating manufacturing process is adopted, thereby maximally ensuring the sound effect of the sound box, greatly shortening the working time and promoting the production efficiency.

The invention relates to a new, luminous, reflective and photochromic security warning poster. The poster comprises a substrate, wherein the front of the PVC plastic substrate is provided with a white semi-mat paint layer, a photochromic layer and a corresponding overprinted colorless reflective layer, luminous layer and transparent protection layer which are arranged at intervals are separately arranged on the white semi-mat paint layer; the back of the substrate is provided with a self-adhesive layer and a release paper layer. If iron, aluminum and another metal material is used to prepare the substrate, the back of the substrate is provided with an anti-rusting paint layer and a plurality of installing holes are arranged on the periphery. The security warning poster can be luminous at night (under no light), reflect light under the irradiation of the light and change colors with the air humidity and the ambient temperature; and the indicating arrow is combined with the poster. The invention belongs to an environmentally friendly and energy-saving and emission-reducing low carbon product; and by using the poster of the invention, the security warning education can be normalized and the aims of enhancing safety consciousness, performing prevention and taking preventive measures can be achieved.

The invention discloses branching, cross-linking, expanded, melt-dropping-resistant and flame-retardant copolyester based on a triazine ring structure. The copolyester is prepared by conducting random copolymerization on structure units expressed as formulae I, II and III or structure units expressed as formulae I, II, III and IV according to a conventional method. The intrinsic viscosity [eta] of the prepared branching, cross-linking, expanded, melt-dropping-resistant and flame-retardant copolyester is 0.41-1.10 dL/g; the extreme oxygen index is 24.5-38.0%; the vertical combustion grade is between V-2 and V-0; the peak heat release rate p-HRR in a cone heat test is 247-643 kW/m<2>. According to the copolyester, a modified monomer of the triazine ring structure is introduced, and then copolymerized with polyester to form a unique ternary branched cross-linking network structure; the modified monomer of the triazine ring structure contains the flame-retardant element nitrogen, so that the melt viscosity of the copolyester in combustion can be improved; the copolyester is capable of releasing nitrogen and quickly forming an expanded char layer with excellent heat and oxygen insulation effects; especially, a phosphorus-nitrogen synergism effect can be generated when the copolyester is used together with the conventional phosphorus-containing flame-retardant agent; the flame-retardant performance and the melt-dropping-resistant effects can be more excellent; the selected monomer is low in price; the preparation process is mature; the operation is simple and convenient; the industrialized large-scale production is liable to implement.

The invention discloses an assembly type heat preservation plate, and aims to solve the problem that the heat preservation performance of an existing heat preservation plate needs to be improved. Theassembly type heat preservation plate comprises a base plate, a supporting layer and a heat preservation layer. The base plate, the supporting layer, and the heat preservation layer are sequentially and fixedly connected into a whole from bottom to top. The preparation process of the supporting layer comprises the following steps: (1) a plurality of rectangular small frames are formed among reinforced steel bars by taking steel bars as keels and constructing a supporting framework on the base plate; (2) a sound absorption felt is filled in the rectangular small frames, and a supporting layer is formed. According to the invention, the ardealite is used as a raw material to prepare the base plate. Meanwhile, the supporting layer and the heat preservation layer are structurally improved, so that the prepared heat preservation plate has excellent performances such as light weight, high strength, water resistance, moisture resistance, stretching resistance and the like. On the basis of thestructural improvement of the heat preservation plate, the heat preservation plate disclosed by the invention is light in weight, high in strength, small in heat conduction coefficient, good in fireproof and waterproof effects and the like. Meanwhile, the ardealite is used as the raw material, so that the resource utilization of the ardealite is realized.

The invention discloses a low-cost ecological ceramic material having a plurality of sound absorbing structures. The low-cost ecological ceramic material having the plurality of sound absorbing structuresis prepared from the following components: 22% to 27% offly ash, 13% to 18%ofcoal gangue, 8% to 12% ofred mud, 40%to 45% ofshale, 5%to 10% offeldspar, 0.2%to 2% of foaming agent, 0.5%to 3% of binder, 7%to 12% of pore forming agent, and 0% to 1% ofsurfactant; a variety of pore structures are arranged, and water vapor in the environment is absorbed to adjust the humidity of the air. The invention further discloses a preparation method of the low-cost ecological ceramic material.A perforated plate sound absorbing structure, a microperforated resonance sound absorbing structure, and a thin plate resonance sound absorbing structure are formed by three pore-forming methods of mechanical punching, pore forming agent, and foaming agent respectively, the open porosity of the material is increased, the high-frequency sound absorption effect is improved, the plurality of sound absorbing structures improve the sound absorption effect of the low and medium frequency, the preparation material islow in cost, and the environment-friendly effect is conformed.

The invention discloses a high-phenol concentration waste water treatment method. The high efficiency and economic phenol-containing waste water extraction method comprises 1, removing impurities of high-phenol concentration waste water, 2, putting eudesmol and the high-phenol concentration waste water treated through the step 1 into an extraction container according to a volume ratio of 1: 1-10, carrying out fast stirring at a temperature of 10-50 DEG C for 5-20min and carrying out standing for 15-80min, 3, separating a raffinate phase in the lower layer and an extract phase in the upper layer from the stood solution through gravity flows, and analyzing phenol content of the raffinate phase through a gas chromatography method, 4, carrying out rectification on the extract phase obtained through the step 3 to obtain a phenol removal extraction agent and a crude phenol product and recycling the phenol removal extraction agent for extraction of high-phenol concentration waste water, and 5, carrying out rectification on the raffinate phase obtained through the step 3 to obtain the residual phenol removal extraction agent and the phenol-free waste water. The high-phenol concentration waste water treatment method belongs to the technical field of water treatment.

The invention provides preparation and application methods of hydrous ferrovanadium oxide as an aqueous magnesium ion battery cathode material. The preparation method comprises the following steps: dropwise adding an ammonium metavanadate solution into a ferric salt solution, stirring the mixed solution at room temperature for 2h; transferring the mixed solution into a reaction vessel and carrying out a hydrothermal reaction, and filtering, washing and drying sediment to obtain linear hydrous ferrovanadium oxide; mixing at the mass ratio of acetylene black to polyvinylidene fluoride to linear hydrous ferrovanadium oxide being 10%: 10%: 80% to prepare an electrode paste, and coating carbon cloth with the paste and drying at 80-100 DEG C to obtain an aqueous magnesium ion battery cathode pole piece. Cheap transition metal salt is used as a raw material, the cost is low, and sources are wide. By using rich reserves of water resources and cheap magnesium salt as an electrolyte, cost is greatly reduced, and the defect that an organic electrolyte is flammable and combustible and pollutes the environment is avoided. The green and environmental-protection requirement is achieved, and safety factor during the production and application process is raised.

The invention provides a flexible interdigital capacitive sensor structure and a preparation method thereof. The sensor is composed of a substrate layer, a middle interdigital electrode layer and an upper packaging layer; the silicone rubber of the substrate layer and the silicone rubber of the upper packaging layer are formed by uniformly mixing a liquid prepolymer and a curing agent; conductive rubber used for printing the interdigital electrode is formed by uniformly mixing liquid silicone rubber, rigid conductive fiber particles, a diluent and a synergist. The preparation of the sensor comprises the steps that: preparing a substrate film, preparing an interdigital electrode; preparing an upper packaging layer; implanting an electrode; and optimizing the thicknesses of the substrate layer and the upper packaging layer of the sensor and various parameters of the interdigital electrode. In addition, the sensor has a relatively large strain working range, and has the characteristics of high sensitivity, long service life, sensing stability at different stretching speeds and real-time detection capability and characteristics of consistency of sensing detection of human body motion.

The invention relates to a solid instant tea containing Qimen black tea, which comprise the Qimen black tea, kudzuvine root, dried longan pulp, spine date seeds and bamboo leaves, wherein the weight percent of the Qimen black tea in the solid instant tea is 35-65%, the weight percent of the kudzuvine root in the solid instant tea is 14-25%, the weight percent of the dried longan pulp in the solid instant tea is 8-15%, the weight percent of the spine date seeds in the solid instant tea is 8-15%, and the weight percent of the bamboo leaves in the solid instant tea is 5-10%. The invention further provides a preparation method of the solid instant tea. The solid instant tea mainly has the functions of regulating the center of five Zang-organs and six Fu-organs and the small intestine, and pesticide residues, heavy metals and other harm substances in tea leaves and herbal plants are effectively removed during the production process, thereby being more in line with higher requirements of modern people on characteristics of greenness, environment friendliness, convenience, quickness, nutrition, health, fashion and the like.

The invention discloses an insulating material with high temperature resistance and strong acid corrosion resistance for an electric control solid propellant electrode. The insulating material is characterized by being prepared from the following components in parts by weight: 30 to 60 parts of polytetrafluoroethylene suspension, 20 to 30 parts of epoxy resin, 5 to 10 parts of polyvinyl alcohol, 0 to 20 parts of polyphenylene sulfide, 0 to 20 parts of polyimide, 1 to 2 parts of nano titanium dioxide, 0.5 to 2 parts of super-fine calcium carbonate, 1 to 3 parts of molybdenum disulfide, 2 to 5 parts of magnesium hydroxide, 0.5 to 3 parts of oxidized polyethlene wax, 0.5 to 1 part of stearic acid, 2 to 3 parts of n-octanol, 1 to 2 parts of titanate coupling agent, 0.5 to 1 part of levelling agent and 2 to 3 parts of curing agent. The material can resist instant high temperature and strong acid corrosion, is low in preparation and spraying cost and has a certain adhesive force.

The invention provides lotus leaf dark tea and a producing method thereof. The dark tea mainly comprises the following components in parts by weight: 5-15 parts of a lotus leaf extract, and 85-95 parts of dark tea. The two components are matched according to a specific proportion and mutually cooperated, the lotus leaf dark tea component has effects for adjusting body metabolism, accelerating lipid metabolism, enhancing stomach function, and promoting digestion, and long term drinking of the product has good fat-reducing efficacy. The lotus leaf extract is added into the fermented dark tea, so that in the respect of mouthfeel, the product has heavy and thick, and mellow tastes of the dark tea, and light delicate fragrance of lotus leaves.

The invention relates to a technology for processing and separating a nanoscale (average particle size is 2.6 microns) ultrafine silicon dioxide micropowder from industrial waste sawn mud obtained from granite machining by the fluidized bed principle. During the granite machining process, a lot of sawn mud is generated, thus leading to severe environmental pollution. According to the invention, waste is changed into wealth. During the processing and separation process, a physical method is completely adopted. Water and any acid-base chemical materials are not consumed, and any pollution is not generated. By the fluidized bed technology, the solid micropowder can be processed completely as a fluid. The whole production process is performed in totally-enclosed pipelines and containers. It is ensured that workers have a good work environment, and it is also convenient to realize automation of the whole production device. The product is the ultrafine silicon dioxide micropowder which is relatively low in price. The product can widely be applied as a filler in multiple fields such as glass fiber reinforced plastic products, anticorrosive paints, exterior wall coatings for buildings, fireproof paints and PVC and PE plastic products.

The invention provides a self-resetting rotating joint connecting structure and assembling method for a prefabricated concrete frame beam column. A prefabricated reinforced concrete column and a prefabricated reinforced concrete beam of the connecting structure are perpendicular to each other and are connected through cooperation of an L-shaped constraint steel plate key and an L-shaped rotating steel plate key, the L-shaped rotating steel plate key and the L-shaped constraint steel plate key are fixed through a constraint friction base plate, and an unbonded prestressed tendon transversely penetrates through a whole formed by the prefabricated reinforced concrete column and the prefabricated reinforced concrete beam and is fixed at the end through a plurality of prestressed tendon anchorage devices. The technical problems of how to effectively improve the energy dissipation capacity of a joint and reduce damage and destruction of the structure under the earthquake action to the maximum extent are solved. According to the self-resetting rotating joint connecting structure and assembling method for the prefabricated concrete frame beam column, connection between the prefabricated concrete beam and the prefabricated concrete column is achieved, under the strong earthquake action, when the prefabricated concrete beam reaches the controllable maximum rotating position, the self-resetting effect is achieved, and the prefabricated beam column is restored to the original initial state after an earthquake.

The invention relates to an acrylonitrile-butadiene-styrene ABS engineering plastic with an anion release function, which is characterized by comprising the following components in percentage by weight: 60-90% of ABS resin, 5-30% of modifier, 0.1-0.5% of antioxidant, 0.1-0.5% of lubricating agent, 10-20% of anion powder, 0.15-0.5% of sodium aluminosilicate and 0.15-1.0% of castor oil zinc salt. The invention further relates to a preparation method of the ABS engineering plastic with the anion release function. The original properties of the ABS engineering plastic can be maintained, the smell of common plastics is reduced, and released anions are beneficial to human bodies and environments.

The invention provides a prefabricated assembly type steel reinforced concrete independent foundation under a column. The independent foundation is sequentially provided with a self-setting plain concrete cushion layer, a cement mortar leveling layer, a bottom-layer steel reinforced concrete prefabricated block, a middle-layer common concrete prefabricated block, an upper-layer common concrete prefabricated block and a prefabricated steel base plate from bottom to top; and a prefabricated steel column is perpendicularly welded on the prefabricated steel base plate, and the self-setting plain concrete cushion layer, the cement mortar leveling layer, the bottom-layer steel reinforced concrete prefabricated block, the middle-layer common concrete prefabricated block, the upper-layer common concrete prefabricated block and the prefabricated steel base plate are fixed into a whole through anchor bolts and nuts. According to the adopted assembly type steel reinforced concrete independent foundation under a column, block bodies are prefabricated in a factory, the weight is light, the precision is high, and the manufacturing quality is easy to guarantee; the block bodies are meshed with one another in a layered mode, the bolts are adopted for connection, so that disassembling and assembling are convenient, and the repeated utilization rate is high; and the block bodies can be manuallycarried, large construction machinery is not needed, so that flexibility and convenience are achieved.

The invention belongs to the technical field of water treatment, and discloses a method for utilizing cycloalkanol in a eucalyptol separation water solution and application of the cycloalkanol. The eucalyptol is used as an extractant to extract cycloalkanol in the water solution at 10-40 DEG C, thereby separating the cycloalkanol under milder conditions. The method is beneficial to maintaining the purity of the cycloalkanol and enhancing the separation efficiency, and is more beneficial to lowering the energy consumption of the separation operation. The extraction equipment is more simplified, thereby being beneficial to enhancing the stability and reliability of the separation technique and lowering the maintenance cost. The eucalyptol is the natural essential oil extract which is friendly to the environment and harmless to humans and livestock, thereby being beneficial to the protection of the ecological environment and enhancing the safety of the treated water body.

The invention discloses polyester based on a full biomass monomer, a preparation method and an application, and belongs to the field of polyester synthesis. Polyester takes 2,5-dimethoxy dimethyl terephthalate with a cyclic rigid group, and isosorbitol as raw materials, obtaining an ester exchange product through a catalytical ester exchange reaction, obtaining a polyester crude product through acatalytical polycondensation reaction, and performing solvent extraction, precipitant precipitation, filtration and drying to form target polyester. Synthesized polyester has the characteristics of high molecular weight, high heat performance, good mechanical properties and the like, and the characteristic of easy degradation in a natural soil environment as biobased polylactic acid. Polyester based on the full biomass monomer is mainly applied to preparing a bottle level polyester material.

The invention discloses a heat preservation and decoration integrated ecological stone which comprises a facing layer, a middle layer and a heat preservation layer, wherein the middle layer is located between the facing layer and the heat preservation layer; the middle layer consists of an alkali-resistant fiber mesh fabric, a polymer cement mortar adhesive and a hot galvanized wire mesh; and circular grooves are formed in the heat preservation layer and U-shaped buckles are matched with the grooves. The heat preservation and decoration integrated ecological stone has the benefits as follows: the product integrates the heat preservation effect and the decoration effect; one-time forming can meet requirements of the heat preservation function and the decoration function, so that the artificial ecological stone not only has grain and line effects of natural stones but also can achieve the heat preservation function, and the construction cost and the construction procedures are greatly reduced; and in order to guarantee the fastness and the stability of a product when the product is stuck onto the wall, a traditional anchor sticking method is improved technologically, two cylindrical grooves and U-shaped stainless steel buckles passing through the cylindrical grooves are designed on a heat preservation material, and the construction safety is guaranteed.

The invention discloses a repeatable assembly type indoor stone dry hanging device which comprises an upright column keel and a stone plate which are arranged on the surface of a wall body; the upperpart and the lower part of the upright column keel are provided with reference codes through fixed locking buckles in a locking manner respectively; the reference code on the upper part of the uprightcolumn keel and the surface of a ceiling are fixedly installed, and the reference code at the lower part and the surface of a floor are fixedly installed; a supporting transverse frame is installed on the upright column keel through a fixed locking buckle in the locking manner and is provided with an upper inserting piece; the back face of the stone plate is provided with a slide-in type hangingpiece through a pre-buried bolt in the locking manner; the slide-in type hanging piece is provided with a slot; and the stone plate and the slide-in hanging piece synchronously move downwards to enable the slot to sleeve the upper inserting piece of the supporting frame to finish single-sided dry hanging installation of the stone plate and the upright column keel. The repeatable assembly type indoor stone dry hanging device is high in assembly efficiency, lowered in installation difficulty, capable of repeatedly used due to disassembly type installation, small in occupied depth space of the slide-in type hanging piece and particularly suitable for indoor space assembly.

The invention discloses a high-strength lightweight composite floor slab and a floor system thereof. The high-strength lightweight composite floor slab comprises a polyphenyl particle foam concrete plate, a steel plate tray and face plate bodies, wherein the outer portion of the polyphenyl particle foam concrete plate is wrapped with the steel plate tray; the face plate bodies are fixed to the upper surface and the lower surface of the steel plate tray. The steel plate tray comprises C-shaped steel plates on the two sides, and the upper sides and the lower sides of the end of the C-shaped steel plates on the two sides are connected through transverse tie steel plates to form a quadrangular frame; a steel wire net is fixed to the bottom of the quadrangular frame. The novel steel plate traywith a frame and a bottom is designed, by installed the steel plate tray on the outer side of the polyphenyl particle foam concrete plate, the defect is overcome that polyphenyl particle foam concretehas no bar holding force, the polyphenyl particle foam concrete material can be used for the floor slab, and the floor slab made from the polyphenyl particle foam concrete has the advantages of beinglow in mass and high in strength, the construction process is simple, the technical requirements for on-site installation are low, the construction period is short, the floor slab can be reused afterbeing removed and meets the requirements for environment-friendly and civilized construction.

The invention discloses aluminum ash series artificial quartz stone and a manufacturing method thereof. The aluminum ash series artificial quartz stone is characterized by being mainly prepared from 30 to 40 mass percent of aluminum ash powder, 2.25 to 3.68 mass percent of quartz powder, 35 to 45 mass percent of quartz sand, 15 to 20 mass percent of resin, 0.250 to 0.280 mass percent of curing agents and 0.250 to 0.280 percent of reaction agents. The manufactured quartz stone product conforms to the green and environment-friendly effects; the resources can be regenerated and reutilized; the waste discharge is reduced.

The invention relates to a method for catalytically synthesizing n-propyl cinnamate based on a choline chloride eutectic solvent. The invention discloses a method for catalytically synthesizing n-propyl cinnamate based on a deep-eutectic solvent, which comprises the following steps of: performing esterification reaction by taking the deep-eutectic solvent choline chloride-p-toluenesulfonic acid monohydrate (ChCl-PTSA) as a catalyst and a solvent and taking cinnamic acid and propyl alcohol as raw materials, and performing phase separation, atmospheric distillation, reduced pressure distillation and the like to obtain the n-propyl cinnamate. The eutecticevaporate solvent can be used as a reaction solvent in the field of organic synthesis and can also be used as a catalyst to participate in chemical reaction, compared with traditional sulfuric acid and other catalysts, the eutecticevaporate solvent has the advantages of being environmentally friendly, free of pollution, easy to separate from a product, capable of being recycled and the like, the production cost is reduced, and meanwhile the requirement of a green synthesis process is met.

The invention discloses a method for catalytically synthesizing methyl cinnamate by adopting a benzyltrimethylammonium chloride eutectic solvent, which comprises the following steps of: performing esterification reaction by taking an acidic eutectic solvent benzyltrimethylammonium chloride p-toluenesulfonic acid (BTAC-PTSA) as a catalyst and cinnamic acid and methanol as raw materials; and carrying out phase separation, neutralization, crystallization purification and other processes to obtain methyl cinnamate. The eutectic solvent used in the invention has an atom utilization rate of 100% inthe preparation process, and has the advantages of mild reaction conditions, small corrosivity to equipment, easy recovery, reusability and the like compared with traditional catalysts such as sulfuric acid and the like.

The invention discloses a local slope type reduction ironmaking furnace and process. A reduction chamber of the ironmaking furnace is in a local slope design, the reduction chamber orderly comprises a pre-reduction area, a transition area and a fusion area from top to bottom; the pre-reduction area and the fusion area are vertically arranged in a furnace body, the transition area is inclined and has a fixed angle with a furnace body horizontal line; a heat-resisting baffle is arranged in each cavity, the heat-resisting baffle is fixed on the furnace body, and a gap is between the heat-resisting baffle and the reduction chamber. The ironmaking furnace can be flexibly regulated between the performing fusion reduction and direct reduction and can realize the recycling of the carbon monoxide gas, the cost is greatly lowered; the ironmaking furnace used for ironmaking can realize continuous production, stable operation, uniform material heating and complete reaction; the situation that material are attached to the furnace wall can be effectively controlled, and the wastewater treatment problem is avoided; the ironmaking furnace is friendly to the environment and meets the demands of environmental protection and cleaner production.