92results about How to "Not easy to ignite" patented technology

The invention provides non-aqueous electrolyte for a lithium ion battery and a lithium ion secondary battery prepared from the non-aqueous electrolyte. The non-aqueous electrolyte for the lithium ion battery comprises cyclic carboxylic ester and/or cyclic carbonate ester, cyclic sulfate, an electrolyte salt, fluoroether with the following structural formula: Rf1-O-Rf2, and a fluorocarbon surfactant, wherein the Rf1 is a fluorine-containing alkyl group of which the carbon atom number is 3 to 4; the Rf2 is a fluorine-containing alkyl group of which the carbon atom number is 2 to 5; the mass percentage of the fluoroether in the electrolyte is 10 to 50 percent; and the fluorocarbon surfactant is used for further improving the performances of the battery. The high temperature performance and the safety of the lithium ion secondary battery prepared from the non-aqueous electrolyte can be kept at a higher level as a whole, and the cycling performance is improved.

The invention relates to an organic composition, in particular to non-aqueous electrolyte of a lithium ion battery and a lithium ion secondary battery manufactured by using the same. The non-aqueous electrolyte comprises annular carboxylic ester, annular sulfite, electrolyte salt and isoflurane shown in the following structural formula: Rf1-O-Rf2, wherein Rf1 represents a fluorine-containing alkyl group with 3-4 carbon atoms, and Rf2 represents a fluorine-containing alkyl group with 2-5 carbon atoms. The mass percent of the isoflurane in the electrolyte is 10-50%. The non-aqueous electrolyte also comprises fluorocarbon surfactant so as to further improve the battery performance. The non-aqueous electrolyte can greatly improve the safety performance of the lithium ion battery and obviously improve the electrochemical performance such as cycle performance as well as the high-temperature conservation performance of the lithium ion battery.

The invention relates to a moxa-moxibustion tool and a preparation process thereof. The moxa-moxibustion tool comprises a moxibustion tool and a moxibustion core, wherein an air hole is formed in the bottom end of the moxibustion tool, the moxibustion tool is of a cylindrical structure, the moxibustion core is fixed to the upper portion of the inner cavity of the moxibustion tool, the upper surface of the moxibustion core protrudes out of the moxibustion tool, and the portion, in contact with a moxa cake, of the inner surface of the moxibustion tool is a flame-retardant face and is of a wedge surface structure. The moxibustion core is the moxa cake, the maximum size of the bottom surface of the moxa cake is 1-5 times of the height of the moxa cake, the bottom surface of the moxa cake is a cambered surface protruding upwards, the center of the upper surface of the cambered surface protrudes and is higher than the upper surface of the cambered surface, the bottom surrounding of the protrusion is downwards sunken and is lower than the upper surface of the moxa cake, a blind hole with a downward opening is formed in the moxa cake, and the hole bottom of the blind hole is located in the protrusion. The invention also correspondingly provides the preparation process of the moxa-moxibustion tool. The moxa-moxibustion tool is aligned during the moxa cake releasing, releasing and installation of the moxa cake can be simultaneously achieved, and working processes are saved. A central hole of the moxa cake is the blind hole, and the blind hole blocks an upper-end outlet of a flue, so that moxibustion smoke only flows downward, and the moxibustion utilization rate is improved.

The invention provides an integrated stove used in families, hotels or restaurants, which comprises a stove and a downward-discharge range hood, wherein a dynamic pressurization air device is arranged between a stove gas inlet valve and a stove air door in order to allow the stove to be easy to ignite and keep gas and air in an optimum mixture ratio; a plurality of smoke-sucking pipes are arranged away from the outside of the upper mouth of a pan; suction mouths slightly incline downwards; the smoke-sucking pipes are connected with an air duct; an oil-fume filter plate is arranged between the air duct and a fan; the tail end of the air duct is provided with an oil collection groove; and an air outlet of the fan is connected with an exhaust pipe to exhaust purified air out from the integrated stove.

The invention belongs to the technical field of polyurethane synthesis, and particularly relates to flame retardant modified MDI (diphenylmethane diisocyanate) and a preparation method thereof. The flame retardant modified MDI is prepared through reaction of isocyanate, reaction type flame retardant modifier, high molecular weight reaction type opening agent and storage stabilizer; by taking the total mass of isocyanate, the reaction type flame retardant modifier and the high molecular weight reaction type opening agent as 100%, the mass percent of isocyanate is 76-88%, the mass percent of the reaction type flame retardant modifier is 8-14%, and the mass percent of the high molecular weight reaction type opening agent is 4-10%; the storage stabilizer accounts for 15-20 ppm of the total weight of isocyanate, the reaction type flame retardant modifier and the high molecular weight reaction type opening agent; and isocyanate is the mixture of diphenylmethane diisocyanate and polyphenyl polymethylene polyisocyanate in mass ratio of 0.8-1.8 to 1. Foam prepared by the modified MDI has greatly improved fire resistance, is hardly ignited at first, and is extinguished immediately when out of flame after long-time ignition.

The invention provides a halogen-free flame-retarding polystyrene composite material and a preparation method thereof, which belong to the technical field of polystyrene composite flame-retarding materials and aim at solving the technical problems and providing a smoke-free composite material formed by polystyrene and a halogen-free flame retardant and a method for preparing the smoke-free composite material. The technical scheme is that the halogen-free flame-retarding polystyrene composite material is formed by compositing, by weight, 4-7 parts of the polystyrene, 1-2 parts of polyphenyl ether and 2-4 parts of intumescent flame retardant. The preparation method of the composite material comprises the steps of 1 preparing raw materials, 2 drying, 3 high-mixing and 4 extruding and molding. The fire retardant treatment is performed to the polystyrene by means of the halogen-free flame retardant, the flame retardant is compatible with a base body well, produced flame-resistant polystyrene is not easily ignited, the char forming effect is obvious, smoke and melting-drop phenomenon are not caused, heat stability is good, and limiting oxygen index can reach to 30.2%.

The invention relates to a novel compressed air energy storage device characterized by comprising a control system, N energy storage parts and N generating parts; N is larger than or equal to 2 and is N-level compression energy storage; the control system is used for controlling the energy storage parts and the generating parts to perform corresponding actions; each energy storage part comprises an air compressor and an air storage tank; an outlet of the air compressor is connected with an inlet of the air storage tank by a high-pressure pipe; an air outlet of the air storage tank is connected with an inlet of the next-level air compressor by a high-pressure pipe; an exhaust outlet of the air storage tank communicates with the external air by a high-pressure pipe; each connected corresponding high-pressure pipe is provided with an electromagnetic valve; the other end of the high-pressure pipe connected with the exhaust outlet of the air storage tank is provided with each generating part; the first-level air compressor provides air source power and converts superfluous power generated by a power grid during the low peak of power utilization into internal energy of a gas; an air outlet of the Nth-level air storage tank is sealed; and each generating part comprises a wind driven generator and an electromagnetic valve for controlling the wind driven generator.

The invention provides a micro oil content ignition coal powder burner capable of improving initial ignition heat, which relates to a burner. The invention solves the problems of difficult ignition of coal powder and unstable burning of the existing burner. The invention has the technical scheme that the micro oil content ignition coal powder burner capable of improving the initial ignition heat of the invention comprises a No.1 main oil gun, a No.2 main oil gun, an oil gun installing branch pipe and a heat insulation burning sleeve barrel, wherein the heat insulation burning sleeve barrel is arranged in the inlet end of the oil gun installing branch pipe, the No.1 main oil gun and the No.2 main oil gun are arranged in the inlet end of the oil gun installing branch pipe from top to bottom, and both of the No.1 main oil gun and the No.2 main oil gun are communicated with an inner cavity of the heat insulation burning sleeve barrel. The invention is mainly applied to W flame boilers, the burnt and used coal types belong to lean coal and blind coal with the characteristics of low volatilization constituent content, high ignition temperature and difficult ignition.

The invention provides a trace oil igniting coal dust firing device for multiple oil guns, relates to a firing device, and solves the problem of easily failed ignition due to the fact that distance between a main oil gun and an auxiliary oil gun on the same side is large, and the main oil gun and an auxiliary oil gun on the opposite side are not alternately arranged in the prior firing device. The main oil gun and the auxiliary oil gun on the opposite side are alternately and oppositely arranged on side walls of a concentrated coal dust pipeline; distances of crossing points among the central line of the main oil gun, the central line of the auxiliary oil gun on the same side and the central line of the concentrated coal dust pipeline are between 80 and 100mm; and distances of the crossing points of the central line of the main oil gun, the central line of the auxiliary oil gun on the opposite side and the central line of the concentrated coal dust pipeline are between 500 and 700mm. The distance between the main oil gun and the auxiliary oil gun on the same side is close so as to ensure that fuel which is sprayed from the auxiliary oil gun and has excellent atomization can be directly sprayed into high temperature flame generated by ignition of the main oil gun for fierce firing, and the flame generated after fuel sprayed from the main oil gun and the auxiliary oil gun is fired can support each other to form whole flame which has large length and roughness and good rigidity and can ignite high concentrated coal dust.

The invention discloses a nail shooting bullet for an arc nail shooting gun. The nail shooting bullet is triggered by an arc of an arc nail shooting gun and comprises the following components: 1 partof potassium perchlorate or potassium hypochlorite or potassium chlorate, 0.1-1 part of starch and 0.05-1 part of water. The invention also discloses a preparation method of the nail shooting bullet,and the preparation method comprises the following steps: 1) crushing potassium perchlorate or potassium hypochlorite or potassium chlorate, carrying out screening with a sieve of 140-180 meshes, adding water, and stirring the mixture uniformly; 2) adding starch into the obtained mixture and stirring the mixture uniformly; and (3) sub-packaging the obtained mixture into a charging barrel of the nail shooting bullet, and carrying out vacuum packaging immediately. The invention further discloses an arc nail shooting gun for triggering the nail shooting bullet, and the arc nail shooting gun comprises a first cavity for accommodating shoot nails and a second cavity for mounting an arc generator, wherein the first cavity communicates with the second cavity through a channel, and the volume of the channel is less than or equal to 0.115mm<3>. The nail shooting bullet provided by the invention has the advantages of high safety performance, simple preparation process, good detonating effect andhigh detonating speed, can be detonated efficiently in the presence of water, and has a remarkable environmental protection effect.

The invention discloses a filling and grouting material additive for antiflaming high-carbon mines, which belongs to a filling and grouting material additive. The filling and grouting material additive is formed by stirring and fixing inorganic materials and organic materials, wherein, the respective weight parts of the inorganic materials and the organic materials are as follows: 80-90 parts of inorganic materials and 10-20 parts of organic materials. The invention has the advantages that the effects of antiflamming and shear thinning of high-carbon desulfurized fly ash, namely CFB desulfurized fly ash, are good; the raw materials have wide sources; and the manufacture is easy. The high-carbon desulfurized fly ash can be massively and continuously utilized on the spot or near a coal mining area. Therefore, the ecological environment of the coal mining area can be improved.

The invention discloses a noise-reducing saw blade for timber cutting. The noise-reducing saw blade comprises a copper core plate, a plurality of air holes are formed in the outer circumference of thecopper core plate, cutting disks are arranged on two sides of the copper core plate and provided with fixing holes penetrating the copper core plate, the outer edges of the cutting disks extend outwards to go beyond the outer edge of the copper core plate, a plurality of rubber posts surrounding the copper core plate are arranged between the two cutting disks, flared elastic bodies are arranged at two ends of the rubber posts, threaded rods are arranged in the rubber posts, the two cutting disks are fixed to two ends of the threaded rods and are connected with the copper core plate through pins penetrating a plurality of surrounding fixing holes, a plurality of saw teeth are arranged on the outer circumferential faces of the cutting disks, 10-15 saw teeth are designed in a group, an inwardly extending noise-reducing seam is formed in the root of one of each saw tooth group, and noise-reducing pillars are inlaid into the ends of the noise-reducing seams. The noise-reducing saw blade for timber cutting is not prone to being overheated and causing fire and long in service life without sharp noise.

The invention relates to a moxa cake and a preparation process thereof. The moxa cake is formed by pressing moxa, the whole moxa cake is cake-shaped, the maximum size of the bottom surface of the moxa cake is 1-5 times of the height of the moxa cake, the center of the upper surface of the moxa cake protrudes and is higher than the upper surface of the moxa cake, the bottom surrounding of the protrusion is downwards sunken and is lower than the upper surface of the moxa cake, a blind hole with a downward opening is formed in the moxa cake, and the hole bottom of the blind hole is located in the protrusion. The preparation process incudes a cold-press method or a hot-press method. A central hole of the moxa cake is the blind hole, the hole bottom of the blind hole is located in the protrusion of the moxa cake and is higher than the upper surface of the moxa cake, the blind hole is kept unchanged at a preliminary burning stage, moxa produced during moxa burning covers the hole bottom when the hole bottom of the blind hole is burned, so that the inside of the moxibustion smoke is always the blind hole, the upper end blocking a flue of the blind hole is opened, the moxa smoke only flows downward, and the moxibustion utilization rate is improved.

The invention discloses a generation method for converting agricultural waste into a solid fuel. The generation method comprises the following steps: (1) drying: drying the agricultural waste until the average moisture content is between 18 and 30 percent; (2) crushing and stirring: crushing and stirring the dried agricultural waste to form small granular powder bodies; (3) adding an additive: adding a clay-contained additive into the crushed and stirred agricultural waste; and (4) performing extrusion forming: forming the agricultural waste which is added with the clay-contained additive into a blocky solid fuel by using the extrusion forming, wherein the temperature is between 150 and 210 DEG C and the pressure is between 300 and 600 Psi/cm<2> during the extrusion forming. The invention also discloses the solid fuel prepared by using the generation method for converting the agricultural waste into the solid fuel, and the solid fuel has the advantages of environmental protection and high safety.

Belonging to the field of biomass pellet fuel, the invention discloses a straw biomass pellet fuel, which includes: 60-70 parts of corn straw powder, 30-40 parts of rice straw powder, 30-40 parts of rape straw powder, 15-25 parts of corn cob powder, 10-15 parts of dry pine needle powder, 20-30 parts of rice husk powder, 5-10 parts of rapeseed cake, 5-8 parts of a sulfur-fixing agent, and 25-35 parts of recovered activated carbon powder. The preparation method includes: conducting initial drying, cutting, crushing, sieving, drying, mixing and granulation on the raw materials to obtain the strawbiomass pellet fuel with the characteristics of low ignition point, high thermal energy, long combustion time, cleanliness and sanitation.

The invention relates to a wire-drawing machine with a protective cover. The machine comprises a machine body, a transmission mechanism, wire-drawing mechanisms, a wire winding mechanism, a cooling/lubricating device and an electrical control system. Each wire-drawing mechanism comprises two cone pulleys and a die holder, wherein the die holder is arranged between the two cone pulleys and provided thereon with a wire-drawing die. The machine further comprises the protective cover that is arranged above the die holder and engaged with the die holder. An opening is provided between the protective cover and the die holder to allow metal wires to pass through. Nozzles of the cooling/lubricating device are aligned oppositely to the cone pulleys. The inventive wire-drawing machine with the protective cover has low risks of wire breakage and fire hazard.

The invention belongs to the technical field of macromolecular plastic recycling and discloses a halogen-free flame-retardant regenerative polystyrene material for household electronic devices.The halogen-free flame-retardant regenerative polystyrene material comprises, by weight, 50-80 parts of PS (polystyrene) recycled materials, 10-40 parts of compound flame retardant packet, 10-20 parts of impact modifiers, 0.2-0.5 part of ultraviolet absorbents, 0.1-0.6 part of antioxidant packet and 0.2-1 part of lubricant, wherein a compound flame retardant is prepared from ammonium polyphosphate, pentaerythritol and modified siliceous earth by compounding.The halogen-free flame-retardant regenerative polystyrene material for the for household electronic devices has the advantages that the fire retardant is well compatible with matrix resin, so that thermal stability of the material is enhanced while material strength is improved; silicon in the siliceous earth plays a synergistic role in a system, so that flame-retardant efficiency is improved greatly; regenerative PS toughness is improved by taking K resin and elastomers as the impact modifiers, and accordingly the prepared regenerative polystyrene material has comprehensive mechanical properties and is less prone to being ignited, little in smoke and fewer in molten drop.

The invention discloses a flame-retardant woven belt which comprises a belt body woven from a plurality of warp yarns and a plurality of weft yarns, wherein the warp yarns and the weft yarns are soaked in a flame retardant to be pretreated before weaving; the flame retardant comprises the following components in percentage by weight: 55-70% of water, 10-15% of ammonium polyphosphate, 10-15% of ammonium chloride, 5-6% of a dispersing agent, 4-6% of a catalyst and 1-3% of a coagulator. The warp yarns and weft yarns of the flame-retardant woven belt are soaked in the flame retardant to be pretreated and then woven into the woven belt, so that the flame-retardant woven belt has an excellent flame retardant effect and is difficult to ignite, and danger is avoided.

The invention discloses a wood board cutting device which comprises a stand, wherein a platen is arranged at the top of the stand; a motor is arranged in the stand; a saw web is arranged at the outputend of the motor; the top of the saw web perpendicularly passes through the platen; two rails fixed on the platen are arranged on the same side of the saw web; the rails are connected with a slidingplate through a sliding block; a backup plate perpendicular to the saw web is arranged on the sliding plate; a row of quick clamps are arranged on the backup plate; the saw web comprises a copper coredisk; multiple ventilating holes are formed in the peripheral surface of the copper core disk; cutting disks are arranged on two sides of the copper core disk; fixing holes passing through the coppercore disk are formed in the cutting disks; the outer edges of the cutting disks outwards extend out of the outer edge of the copper core disk; multiple sawteeth are arranged on the peripheral surfaces of the cutting disks; 10 to 15 sawteeth form one group; one sawtooth in each group of sawteeth is inclined outwards; one sawtooth in each group of sawteeth is inclined inwards. The wood board cutting device disclosed by the invention has the advantages of relatively high wood board cutting qualification rate, relatively low workload of a worker, relatively low use cost and no fire.

The invention discloses a novel alcohol group fuel stove, and relates to the field of stoves. A atomizer is arranged in a shell; a liquid retaining ring is arranged at the lower portion of the atomizer; an atomizing pipe is arranged in the atomizer; an atomizing nozzle is arranged at one end of the atomizing pipe; the other end of the atomizing pipe passes through a buffer tank to be connected with a liquid inlet; the buffer tank is arranged at the lower end of the shell; one side of the buffer tank is connected with a gas supply pipe and a blowdown pipe; a combustion nozzle is arranged at thebottom end of the shell; and a support seat is arranged at the lower end of the shell. The novel alcohol group fuel stove is simple and reasonable in structure without pumping and pressing, convenient to operate and fast in combustion and temperature rise, and can be widely used in boilers, drying equipment, thermal power generation equipment and the like; at the same time, the fuel stove is convenient to install and maintain, and cannot produce pressure during burning, and alcohol group fuels are not easy to ignite without open fire; and due to the clean combustion of the fuel stove, the hidden danger of carbon monoxide harmful gas to personal safety can be completely and effectively eliminated, so that the safety performance is excellent, and the combustion is smoke-free, odorless and pollution-free.

The invention relates to a lighter difficulty for children to lighting, which is mainly composed of a shell, a fuel mechanism, a lighting mechanism and an operating mechanism. The operating mechanism is internally positioned with a switch, the switch comprises a magnetic force piece and an exerting piece capable of closing and opening the switch; both the exerting piece and the magnetic force piece are mounted on the operating mechanism or the shell and are fitted with each other. The switch is only can be opened or temporarily opened when the opening area of the switch exerting piece facing downwards or swishing the switch, and only when opening or temporarily opening the switch, the lighter can be lighted. The invention is reliable for preventing children lighting the lighter and convenient for adults to use and has simple structure and small bulk.

The invention discloses a preparation method of a medical textile material, and belongs to the technical field of medical textiles. The method comprises the steps of textile fabric pretreatment, elastic ingredient preparation, flame-retardant raw material preparation, waterproof coating preparation, textile fabric elasticity enhancement treatment, textile fabric flame-retardant enhancement treatment, textile fabric waterproof enhancement treatment and textile fabric finished product drying and packaging. The medical textile material is prepared from the following raw materials in parts by weight of pure cotton fibers, an adhesive, a stabilizer and cashmere. Through the arrangement of elastic ingredient preparation and textile fabric elasticity enhancement treatment, an elastic finishing agent is firstly obtained, then a textile is put into a processing composite lathe, then the textile is flatly laid and unfolded, then the elastic finishing agent is pressed on the textile through a pressing device, the textile and the elastic finishing agent are mutually bonded through high temperature, and finally, an elastic textile is obtained, so that the medical textile material has better elasticity and extension force.

The invention discloses a flame-retardant fireproof rope net wire and a production process thereof, and relates to the field of fireproof rope net wires, high-density polyethylene, an antioxidant, an ultraviolet light absorber, a dispersing agent, a silane coupling agent, titanium dioxide and a flame-retardant additive are uniformly mixed to obtain a mixture, the mixture is added into an extruder for extrusion granulation, flame-retardant plastic particles are obtained, then the flame-retardant plastic particles are subjected to injection molding, and the flame-retardant plastic particles are dragged and stretched into filaments so that the flame-retardant fireproof rope net wire is obtained. The antioxidant and the ultraviolet light absorber are added to improve the antioxidant and anti-aging performance of the rope net wire and prolong the service life of the rope net wire, the flame retardant additive is added to improve the fireproof and flame-retardant performance of the rope net wire, and the flame retardant additive has the synergistic effect of bromine and phosphorus elements and has excellent flame-retardant and fireproof effects. The prepared flame-retardant fireproof rope net wire is not easy to ignite, is slow in combustion spreading speed and high in extinguishing speed after being ignited, and has excellent fireproof and flame-retardant properties.