327results about How to "Material environmental protection" patented technology

The invention discloses a water-resistant polyvinyl chloride (PVC) cable insulating material, which comprises raw material components of PVC resin, main plasticizing agents, lubricating agents, calcium-zinc stabilizing agents, and calcined clay already treated by using coupling agents. The cable insulating material disclosed by the invention has high tensile strength and excellent water-resistantperformance, and can be used underwater for a long time.

The invention provides a cellulose / inorganic particle composite diaphragm for a lithium secondary battery and a preparation method thereof. The cellulose diaphragm is prepared by beating a cellulosic material like wood pulp, jute pulp or cotton pulp into cellulose with a microfibrous structure, mixing the cellulose with inorganic particles to prepare a cellulose / inorganic particle composite wet membrane material and carrying out solvent replacement and drying; the diaphragm prepared by compositing the cellulose and the inorganic particles can be used as a non-aqueous lithium ion battery diaphragm material. The diaphragm prepared in the invention has good heat resistance, resistance to chemical solvents and good mechanical performance and can satisfy requirements for diaphragms of non-aqueous electrolytic solution energy storage devices; furthermore, since regenerable cellulose is used as a raw material, the diaphragm has the advantages of low cost, a simple process and environmental friendliness.

The invention provides a high-wear-resistance transparent TPU spherical film and a preparation method thereof. The high-wear-resistance transparent TPU spherical film is prepared by mixing and tape-casting the following components in parts by weight: 60-90 parts of polyurethane-nanopowder complexing agent, 2-10 parts of chain extender, 0.3-2 parts of antioxidant, 1-4 parts of hydrolysis stabilizer, 0.8-3 parts of slipping agent, 0.8-3 parts of antiblocking agent, 1-10 parts of filling agent and 1-3 parts of flame retardant. The TPU spherical film material prepared by modifying and creating all components and preparation proportion of the TPU spherical film has unique technological advantages of being high in wear resistance, transparency and hydrolysis resistance properties, good in elasticity, cold-proof, durable, environment-friendly in materials, free from any hidden injury to a human body, printable, and capable of performing high-frequency welding and the like, the wide use of the TPU special film material in a plurality of fields can be promoted, and the TPU spherical film material has wide market prospects.

The invention provides high-abrasion-resistance transparent thermoplastic polyurethane elastomer for a ball film and a manufacturing method of the high-abrasion-resistance transparent thermoplastic polyurethane elastomer. The thermoplastic polyurethane elastomer is made of nano-modification TPU composite materials, and the nano-modification TPU composite materials are formed by mixing, by weight, 70-90 parts of polyurethane-nano-powder composite components, 3-10 parts of chain extenders, 0.5-2 parts of antioxidants, 1.2-4 parts of hydrolytic stabilizers, 1-3 parts of slipping agents, 1-3 parts of antiblocking agents, 3-20 parts of fillers and 0.8-3 parts of fire retardant. The nano-modification TPU composite materials manufactured by modifying and innovating all raw material components and the configuration proportion of the TPU composite materials have the unique advantages of being high in hardness and abrasion resistance, strong in elasticity and toughness, high in transparency, high in hydrolysis resistance, good in environmental protection, capable of achieving high-frequency welding and the like, the wide application of the TPU materials is promoted, and the wide market prospect is achieved.

The invention relates to a konjac breath-refreshing cigarette holder filter core and a preparation method thereof. The preparation method comprises steps of preparing konjac glucomannan alkaline aqueous solution, preparing konjac glucomannan emulsion, preparing konjac glucomannan gel microspheres, drying konjac glucomannan gel microspheres, preparing mint konjac glucomannan gel microspheres, preparing medicine-carrying konjac glucomannan gel microspheres, preparing konjac fibers and preparing a filter core. The konjac breath-refreshing cigarette holder filter core takes konjac as the main raw material, the konjac has effective fiber plasticity, adsorbability and slow-release property, the amount of toxic substance reaching the oral cavity can be reduced, the case that after a person smokes, the teeth become yellow can be avoided; trace and slow-releasing medicine is contained in the filter core, the medicine effect is guaranteed; all the materials are very environmentally-friendly, and can be degraded in the air easily, are nonhazardous and do not pollute the environment; and the smoker can feel refreshed, the nasal cavity is not blocked, and the mental state of the smoker is better.

The invention provides a high-effect rat-proof and termite-proof electric wire and cable which comprises conductors. A shielding layer is arranged outside each conductor, a flame-resistant PE (polyethylene) insulating layer is arranged outside each shielding layer, a ceramic silicone rubber layer is arranged outside each flame-resistant PE insulating layer, a waterproof layer is arranged outside each ceramic silicone rubber layer, the conductors are filled with a flame-resistant glass fiber filler rope, a flame-resistant belt is arranged outside the conductors and the flame-resistant glass fiber filled rope, a mica layer is arranged outside the flame-resistant belt, a flame-resistant PE protection layer is arranged outside the mica layer, an armor layer is arranged outside the flame-resistant PE protection layer, a nylon 12 sheath layer is arranged outside the armor layer, a carbon pipe is arranged outside the nylon 12 sheath layer, and a capsaicin rat-proof and termite-proof layer is arranged outside the carbon pipe. The invention further provides a preparation method of the electric wire and cable. The high-effect rat-proof and termite-proof electric wire and cable is provided with multiple rat-proof and termite-proof layers and multiple flame-resistant layers.

The invention relates to an elastic protector which is suitable for a user to wear to prevent the body from being damaged and comprises at least one elastic fabric layer extending along at least one direction and one waterborne polyurethane foaming body layer which is lamellar, is combined to the elastic fabric layer and is provided with an opened cell structure, wherein the waterborne polyurethane foaming body layer is made from a foaming raw material containing waterborne polyurethane which can dispread in a water solution, wherein the waterborne polyurethane has the thickness equal to or greater than 1 mm, the maximum elongation of 200% to 450%, the elastic modulus of 2 to 7 kgf / cm<2>, the tension strength equal to or greater than 4kgf / cm<2> and the density of 180 to 600 g / l.

The invention relates to a passivation solution suitable for processing the aluminum foil of an aluminum-plastic film. The passivation solution comprises, by weight, 100 parts of distilled water, 0.1-5.0 parts of phosphoric acid or phosphate compound, 0.2-8.0 parts of trivalent chromium compound, 0.01-2.0 parts of zirconium compound, 0.01-8.0 parts of fluoride, 0.1-30 parts of acrylic resin, 0.01-6.0 parts of crosslinking agent, 0-1.0 part of auxiliary and a certain amount of pH regulator. 8021 aluminum foil processed by the passivation solution has excellent corrosion resistance, and the processed aluminum foil combined with CPP through modified polyolefin-based glue has excellent binding force, electrolyte resistance and water resistance.

The invention provides a purple-light cross-linked low-smoke halogen-free high flame-retardant EVA cable which comprises conductors. Each conductor is covered with a shield layer, the shield layer is covered with a purple-light cross-linked insulating layer, the purple-light cross-linked insulating layer is covered with a ceramic silicone rubber layer, and the ceramic silicon rubber layer is covered with an anticorrosive layer. Flame-retardant glass fiber filling ropes are filled among the conductors, the conductors and the flame-retardant glass fiber filling ropes are together covered with a flame-retardant tape, the flame-retardant tape is covered with an internal purple-light cross-linked protective layer, the internal purple-light cross-linked protective layer is provided with an armor layer, the armor layer is covered with an external purple-light cross-linked protective layer, the external purple-light cross-linked protective layer is covered with a waterproof layer, the waterproof layer is covered with an SBS rubber layer, and the SBS rubber layer is coated with an ultraviolet-proof layer. The invention further provides a production method of the cable. The purple-light cross-linked low-smoke halogen-free high flame-retardant EVA cable is provided with multiple flame-retardant layers and the waterproof layer.

The invention provides an irradiation cross-linking high-performance high flame-resistant electric wire and cable which comprises conductors. A shielding layer is arranged outside each conductor, an irradiation cross-linking polyethylene insulation layer is arranged outside each shielding layer, a fire-resistant mica layer is arranged outside each irradiation cross-linking polyethylene insulation layer, the conductors are filled with rock wool ropes, a flame-resistant belt is arranged outside the conductors and the rock wool ropes, a flame-resistant polyethylene inner protection layer is arranged outside the flame-resistant belt, an armor layer is arranged outside the flame-resistant polyethylene inner protection layer, a flame-resistant polyethylene outer protection layer is arranged outside the armor layer, an abrasion-resistant layer is arranged outside the flame-resistant polyethylene outer protection layer, and an ultraviolet-proof layer coats the abrasion-resistant layer. The invention further provides a preparation method of the electric wire and cable. The irradiation cross-linking polyethylene insulation layers, the fire-resistant mica layers, the rock wool ropes, the flame-resistant polyethylene inner protection layer, the flame-resistant polyethylene outer protection layer and the abrasion-resistant layer have flame resistance, multiple layers are set, and the flame resistance of the electric wire and cable is far higher than that of similar products.

A fire-resistant micro-metal brake pad is mainly composed of the following components according to weight percentages: 2-4% of nitrile rubber, 3-6% of tyre powder, 3-5% of expansion graphite, 4-8% of super-fine iron oxide powder, 9-13% of boron containing phenolic resin, 3-6% of chromite, 3-5% of magnetite, 5-8% of diatomite, 6-9% of E glass short fibre, 7-11% of grammite fibre, 6-9% of chopped steel fibre, 8-12% of viscose fibre, 0.5-1% of aluminium silicate hollow ball, 2-3% of heavy magnesia, 0.2-0.5% of zinc stearate, 0.5-1% of copper sulphide, 3-5% of calcined petroleum coke and 10-15% of barite. The material of the invention is environmentally-friendly and rust-less, the heat transmission is slow, the fire and thermal degradation resisting performance is good, and the service life is long. After the invention is used, the brake of the small automobile is sensitive, the brake is stable, no brake scream is generated, and the comfortable performance is good, thereby not damaging the couple plate.

The invention relates to a double-side light entering quantum dot sensitization solar cell and a preparation method thereof. The double-side light entering quantum dot sensitization solar cell comprises a quantum dot sensitization light anode, a counter electrode and electrolytes, wherein the counter electrode is an in-situ growth copper sulfide (Cus) slice with a nanostructure. Materials of the counter electrode of the solar cell is Cus, and the Cus has good catalytic activity for the electrolytes, and furthermore the shape of the materials is a two-dimensional nanometer slice in two-dimensional structure, so that the counter electrode has high electronic mobility and specific surface area. The double-side light entering quantum dot sensitization solar cell has the prominent advantages that when the thickness of the materials of the Cus counter electrode is low, the counter electrode has good light admitting quality, the light admitting range of the counter electrode is roughly consistent with the light absorption range of quantum dots used as light absorption materials, so that the cell can achieve good efficiency even when light enters from the bask side of the cell, and the cell can be manufactured in to a double-side light entering cell. Accordingly, the use ratio of sunlight is improved, cost of the cell is reduced, and the double-side light entering quantum dot sensitization solar cell has a good application prospect.

The invention provides water-reused aerogel for solar sewage purification and a production method thereof. The production method of the water-reused aerogel for solar sewage purification comprises thesteps of (1) adding graphite powder, NaNO3, concentrated sulfuric acid, KMnO4, deionized water and H2O2 into a container, and adopting a freeze drying method for obtaining graphene oxide powder; (2)mixing the graphene oxide powder and graphite powder, and heating a mixture in a microwave oven to obtain reduced graphene oxide; (3) adding waste paper scraps into a mixed solution of water, NaOH andthiourea to obtain cellulose; and (4) adding the cellulose and alcohol into a reduced graphene oxide dispersion solution, and conducting freeze drying on a mixture after conducting ultrasonic treatment and liquid nitrogen refrigeration on the mixture to obtain the graphene / cellulose aerogel. The graphene / cellulose aerogel produced through the method has excellent hydrophilic performance, ultra-low density, ultra-high porosity and ultra-low heat conductivity, size and thickness of the aerogel are controllable, and the requirements of different application occasions of the aerogel can be met.

The invention relates to a granular multi-stage-multi-directional energy consumption vibration reduction support seat, which comprises an energy consumption vibration reduction body, an upper part connection plate and a lower part connection plate, wherein the whole of the energy consumption vibration reduction body is a cube; the upper part connection plate and the lower part connection plate arerespectively and fixedly arranged at the upper and lower ends of the energy consumption vibration reduction body. The energy consumption vibration reduction body comprises a rubber protection layer,a vibration reduction granule fixing plate, a damping spring, memory alloy granules, high-damping rubber granules and a composite energy consumption body. The granular multi-stage-multi-directional energy consumption vibration reduction support seat aims at solving the problems of environment pollution, poor stability, nonuniform damping distribution, multi-stage-multi-directional energy consumption incapability and the like easily caused by the existing vibration reduction device. The invention provides the granular multi-stage-multi-directional energy consumption vibration reduction supportseat, which has the characteristics of environment-friendly effect, high stability, uniform damping distribution, multi-stage energy consumption capability, multi-directional energy consumption capability, high self restoration capability and the like.

The invention discloses red light emitting carbon quantum dots and a household microwave preparation method thereof. The method comprises the following steps: dispersing ammonium citrate in a glycerolsolvent, heating and stirring to form a solution, adding formamide, and uniformly stirring; putting the mixture into a household microwave oven for heating reaction, cooling to room temperature, adding absolute ethyl alcohol, uniformly mixing, centrifuging to obtain a precipitate, dispersing the precipitate in absolute ethyl alcohol, filtering by a filter head to obtain preliminarily purified carbon quantum dots, and carrying out silica gel column chromatography for secondary purification to obtain a red light emission carbon quantum dot solution. The emission wavelength of the red quantum dot solution is 650 nm, and the fluorescence quantum efficiency reaches 23%, the red light emission carbon quantum dot solution has fluorescence excitation independent luminescence characteristics, andis still in red light emission state under near ultraviolet excitation. The method provided by the invention has the advantages of operation simplicity, environmental protection, low cost, high yield,and the like, and the obtained carbon quantum dots are uniform in size, high in purity, stable in fluorescence, non-toxic and pollution-free, and have important application value in the aspects of biomedicine and optoelectronic devices.

The invention relates to a tuned damper of a controllable jacket type marine wind-driven generator. The tuned damper comprises an external damping cavity unit (1) which is arranged on the ground in asliding manner and an internal damping internal damping unit (5) which is arranged on the external damping cavity unit (1) in a sliding manner, wherein the outer wall of the external damping cavity unit (1) is connected with the wind-driven generator through energy consumption springs (4); a cavity (10) which is sunken downwards is formed in the middle part of the external damping cavity unit (1);the internal damping cavity unit (5) is arranged on a bottom plate of the cavity (10) in a sliding manner; the side wall of the internal damping cavity unit (5) is connected with the inner wall of the cavity (10) through the energy consumption springs (4); the inner part of the external damping cavity unit (1) and the inner part of the internal damping cavity unit (5) are sealed; and liquid (2) is loaded in the external damping cavity unit (1) and the internal damping cavity unit (5), and air is left. Compared with the prior art, the tuned damper disclosed by the invention has various energyconsumption mechanisms under the effect of wind or / and earthquake, and the energy consumption capacity is high.

The invention belongs to the technical field of electrochromic devices, and discloses a functional hydrogel-based electrochromic device and a preparation method thereof. The method comprises the following steps: using acrylamide as a monomer, N,N-dimethylbisacrylamide as a cross-linking agent, ammonium persulfate as a thermal initiator, 4-hydroxy-2,2,6,6-tetramethylpiperidine oxide as a catalyst to prepare polyacrylamide hydrogel; adding a solution having electrolyte, electro-alkali, and base-responsive molecules to the hydrogel at room temperature, and adsorbing the solution by the swelling action of the hydrogel to obtain a functionalized hydrogel; and sandwiching the hydrogel between two ITO glass electrodes to obtain a functional hydrogel-based electrochromic device. The functional hydrogel-based electrochromic device and the preparation method thereof are simple in preparation process, mild in working condition, use water as a solvent to reduce the harm to the human body, which isenvironmentally friendly, good in reproducibility, and very suitable for industrial production.

The invention discloses a polypropylene composition special for automobile bumpers and a preparing method thereof. The raw material formula of the polypropylene composition special for automobile bumpers is composed of, by weight, 30-50 parts of copolymerization polypropylene, 30-50 parts of copolymerization polypropylene reclaimed materials, 10-30 parts of calcium carbonate, 15-25 parts of flexibilizer, 0.1-0.5 part of antioxidant 1010, 0.1-0.5 part of antioxidant 168, 0.3-0.5 part of uvioresistant agent UV-531 and 0.08-0.1 part of diffusing powder ethylene bis stearamide (EBS). The polypropylene composition special for automobile bumpers can meet basic indexes of the automobile bumpers, has some indexes surpassing the world industrial level, has good characteristics of high rigidity, impact resistance, scratching resistance and low temperature resistance, can resist 95 DEG C high temperature and -30 DEG C low temperature, is solarization resistant and aging resistant, has service life as long as more than 15 years, can be recycled for reconstruction, and is an optimum material capable of protecting environment, being recycled, saving energy and reducing emission.

The infrared radiation paint for tobacco flue-curing house comprises: Fe2O3 40-62%, Fe3O4 10-22%, ZnO 2-5%, MgO 1-2%, NiO 2-4%, graphite powder 3-8%, TiO2 1-3%, manganese ore powder 10-14%, zirconium silicate 1-5%, and talcum powder1-5%. The preparation method comprises: (1) preparing materials; (2) mixing; (3) sintering at 700-1000Deg; (4) breaking, grinding, screening, and packaging; when using, it needs to add 25-45% bonding agent. This invention has special formula and technique, and has well properties.

The invention discloses a novel coal ash grouting material, which is composed of specific components by mass: 1 part of coal ash, 2 parts of water, liquid water glass occupying 5% to 10% of the coal ash and sepiolite occupying 2%. to 5%.of the coal ash. Improved coal ash grout has strong adhesion performance on firing articles, can evenly and effectively cover the surfaces of the firing articles, is strong in water-retaining performance and good in fire resistance, can effectively block leakage insulate oxygen to prevent grout from losing, and is low in price, environmental-friendly, good in stability and suitable for pipeline transportation.

The invention provides a water erosion prevention system and method for the ecology of a slope of an abandoned rear-earth mine land. According to the system, erosion of the slope of the abandoned rear-earth mine land caused by a water body can be prevented and controlled by arranging an obstructing belt and intercepting belts; a little sandy soil scoured by a water flow can be prevented from entering the water body by arranging a permeable layer; meanwhile the water flow can be led out by a diversion channel; and further, by arranging vegetation layers, water and soil can be effectively conserved, the slope is reinforced, and the maintenance of ecological balance is facilitated. Since the system is employed in the method provided by the invention, the method can effectively prevent and treat the water erosion of the slope and recover the ecological environment of the slope.

The invention relates to the field of biomedicines and discloses an electrical stimulation system for promoting in vivo nerve repair. The electrical stimulation system comprises a nanogenerator, a wire and an electrode, wherein the nanogenerator is connected with the electrode through the wire to transmit current or voltage of the nanogenerator to the electrode; and the electrode can apply the current or voltage to an organism. The system for promoting in vivo nerve repair disclosed by the invention has the advantages that an electrical stimulation source is simple in structure, environment-friendly in materials, wide in material source, easy to be flexible and easy to miniaturize, and can be self-driven by motion and force of a body to generate electricity.

The invention discloses a product exhibition stand. The product exhibition stand comprises a first exhibition platform and a base. The first exhibition platform comprises front and rear spaces for external product exhibition, and the two spaces are formed by a first hollow support, a first hollow left board, a first hollow right board and a first transverse partition board. The top of the base is in spliced joint with the bottom of the first transverse partition board to support the first exhibition platform. Hollow paper boards are combined by spliced joint to form the multi-layer exhibition stand, the defect of corner torsion deformation of planar boards due to intrinsic anisotropy of the boards can be overcome, and great exhibition effects are achieved. In addition, the multi-layer exhibition stand formed by spliced joint of paper materials is environment friendly in material, light and delicate in structure, convenient to carry and low in cost.

The invention provides an aluminum alloy surface treatment method. The aluminum alloy surface treatment method comprises the steps of conducting pretreatment on an aluminum alloy, putting the aluminumalloy into acid oxidation liquid to be subjected to oxidation and deposition under the AC condition, reducing the voltage, and conducting hole sealing treatment in the same solution to obtain the anti-microbial aluminum alloy. According to the aluminum alloy surface treatment method, the aluminum alloy is subjected to anodic oxidation, anti-microbial elements are deposited, hole sealing treatmentis conducted; hole sealing treatment can be conducted in the same solution, and then the anti-microbial and corrosion-resistant aluminum alloy is obtained. The aluminum alloy surface treatment methodis implemented through the one-step method. The process is simplified. The production efficiency of the anti-microbial aluminum alloy is improved. The production cost is reduced.

The invention discloses an inflation automatic opening and closing gate and a water gate device. The inflation automatic opening and closing gate comprises a gate body, an air intake pipeline, an air exhaust pipeline, a water inlet pipeline and a water outlet pipe, wherein the air intake pipeline and the air exhaust pipeline are arranged on the upper portion of the gate body. The water inlet pipeline and the water outlet pipeline are arranged on the lower portion of the gate body. The gate body is composed of multiple air bags. Supporting structures are arranged among the air bags and on the sides of the air bags. The water gate device comprises a gate groove, the inflation automatic opening and closing gate contained in the gate groove, an inlet air pump, an outlet air pump, an inlet water pump, an outlet water pump and a control unit, wherein the inlet air pump and the outlet air pump are linked with the gate air intake pipeline and the gate air exhaust pipeline respectively and the inlet water pump and the outlet water pump are linked with the gate water inlet pipeline and the gate water outlet pipeline respectively and the control unit is linked with the inlet air pump, the outlet air pump, the inlet water pump and the outlet water pump.

The invention discloses a soybean protein fiber graphene fiber blended knitted fabric, which comprises the following components in parts by weight: 30-60 parts of graphene viscose composite fiber, 30-50 parts of soybean protein fiber, 10-30 parts of organic cotton and 3-10 parts of spandex; according to the fabric, the graphene, the soybean protein, the organic cotton and the spandex are matched and blended according to a proper ratio, so that the fabric is soft and comfortable, good in skin affinity, good in wrinkle resistance and smoothness, and good in elasticity and shaping effect. The fabric has the functions of ultra-strong far infrared, sterilization and bacteriostasis, moisture absorption and perspiration, and ultraviolet-proof and antistatic function, the function of the fabric isnot weakened due to wearing time, the material used by the fabric is green and environment-friendly, and the fabric is a green and environment-friendly inner heating material with a health-care function.

The invention provides an antibacterial pipe and a preparation method thereof. The antibacterial pipe comprises an inner layer, a middle layer and an outer layer; the inner layer comprises polypropylene resin, linear low-density polyethylene resin, modified tetrapod-like zinc oxide whiskers, chitosan, an antioxidant and a dispersing agent; the modified tetrapod-like zinc oxide whiskers are gamma-aminopropyltriethoxysilane surface modified tetrapod-like zinc oxide whiskers, the weight of the modified tetrapod-like zinc oxide whiskers account for 0.0080%-0.070% of the weight of the inner layer,and the weight of the chitosan accounts for 0.085%-0.42% of the weight of the inner layer; the middle layer comprises polypropylene resin, basalt fibers, a compatilizer, a lubricant and an antioxidant, and the basalt fibers account for 15.0%-23.0% of the weight of the middle layer; and the outer layer comprises polypropylene resin and color master batch. The antibacterial pipe is good in mechanical property and excellent in antibacterial and bacteriostatic effect, the used materials are environmentally friendly and free of heavy metal residues, the antibacterial pipe can be directly degraded in the environment after being discarded, no harm is caused, and the antibacterial pipe is a genuine green and environment-friendly material.

The invention relates to a modified PVC (polyvinyl chloride) resin material for soles of outdoor shoes. The modified PVC resin material comprises, by weight, 100 parts of PVC resin, 10-12 parts of DOTP (dioctyl terephthalate), 8-10 parts of epoxidized soybean oil, 25-30 parts of polyvinyl butyral, 20-25 parts of carbon fibers, 8-10 parts of hydroxyl-terminated butadiene-styrene liquid rubber, 0.5-1.0 part of polyethylene wax, 1.8-2.0 parts of stearic acid and 3-5 parts of calcium-zinc stabilizers. The modified PVC resin material for the soles of the outdoor shoes does not comprise dioctyl phthalate and rare earth elements, thereby being more environment friendly in terms of texture; the soles made of the modified PVC resin material are moderate in elasticity, excellent in ageing resistance and high in impact strength.

The invention relates to an automatic multifunctional infrared smokeless barbecue machine. The automatic multifunctional infrared smokeless barbecue machine aims to solve the problems that according to an existing smokeless barbecue oven, gear transmission is adopted, only metal pikes can be used and can only be turned in situ, manual control is required, labor intensity is high, and the utilization rate of heat energy is low. Each transmission rotary device comprises a chain, a sliding rail, a rack, two chain wheels and multiple accessory pieces. The two ends of each transmission shaft are each provided with one corresponding chain wheel. Each chain is installed on the two corresponding chain wheels which are located on the same side of a case. The lower end faces of sliding wheels of the chains are arranged on the sliding rails. The racks are parallel to the sliding rails. The transmission direction of the chains is opposite to the inclining direction of teeth on the racks. The upper edges of the racks are 4-6 mm higher than the upper edges of the chains. The multiple accessory pieces are evenly arranged on the chains. A containing groove is formed in the middle of each accessory piece. A skewer is arranged in each containing grove. The automatic multifunctional infrared smokeless barbecue machine is applied to the barbecue field.

The invention relates to flame-retardant color masterbatch, in particular to flame-retardant color masterbatch used for an environmental protection frame material. The flame-retardant color masterbatch comprises decabromodiphenyl ethane (TDE), brominated epoxy (BER), and diantimony trioxide (Sb2O3). The flame-retardant color masterbatch has the advantages that: the flame-retardant color masterbatch uses environmental protection materials, has good flame-retardant effect, accords with development requirement of modern society, and greatly reduces manufacturing cost relative to other flame-retardants with the same effect.