19results about How to "High ignition point" patented technology

The utility model discloses a flame-retardant and aging-resistant artificial turf, which belongs to the field of flame-retardant and wear-resistant artificial turfs and comprises a turf component, the turf component comprises a first frame and a second frame, two sides of the first frame are fixedly connected with hair magic tapes, two sides of the second frame are fixedly connected with hook-and-loop fasteners, and the hook-and-loop fasteners are fixedly connected with the hook-and-loop fasteners. The first frame body and the second frame body are both internally provided with flame-retardant pads, the upper ends of the flame-retardant pads are connected with artificial grass sheets, the lower ends of the flame-retardant pads are connected with reinforcing pads, and the lower ends of the reinforcing pads are connected with bottom pads. Therefore, the use safety of the artificial turf is improved, the service life of the artificial turf is prolonged, meanwhile, the artificial turf can be quickly laid at any length, and the use convenience and universality of the artificial turf can be improved.

The invention belongs to the technical field of azeotropic distillation and dehydration of isopropanol, particularly relates to an azeotropic distillation and dehydration method of industrial-grade isopropanol, and aims to solve the problems that the energy consumption of separation of isopropanol and solvents is high, the energy consumption is low and the like due to the fact that solvents such as benzene and cyclohexane are adopted for azeotropic distillation and dehydration in the conventional isopropanol dehydration process, but the boiling points of benzene and cyclohexane are close to those of isopropanol. In order to solve the problems that when diethyl ether is used as an azeotropic agent, the solvent is easily enriched at the tower top to form potential safety hazards, and when the solvents are used for azeotropic distillation, the requirements of electronic chemicals cannot be met, the following scheme is provided: the method comprises the following steps: S1, adding an industrial-grade isopropanol raw material into an azeotropic distillation tower; the azeotropic dehydrating agent disclosed by the invention is small in boiling point, high in ignition point, non-corrosive, low in price, good in safety and low in separation energy consumption, and has excellent application value and application prospect in industrial production and experiments, the used device is simple and easy to operate, the yield is high, and automatic production can be realized.

The invention relates to the technical field of rubber asphalt, in particular to low-viscosity composite rubber asphalt. The low-viscosity composite rubber asphalt is prepared from the following raw materials in parts by weight: 80-100 parts of matrix asphalt, 20-30 parts of tire rubber powder, 10-15 parts of an additive, 8-10 parts of a gelatinization material, 8-10 parts of petroleum resin, 2-4 parts of a stabilizer and 2-4 parts of an activating agent, according to the invention, the bamboo material after carbonization treatment has a high ignition point and can be stably used after addition preparation and asphalt laying, the number of micropores in bamboo fibers is increased after carbonization, and after the bamboo material is added into the preparation process of rubber asphalt, the excellent thermal radiation performance and rich pore structure of carbonized bamboo powder are utilized to improve the thermal radiation performance of the rubber asphalt. The high-temperature-resistant rubber asphalt can effectively transfer heat to the surrounding environment in a radiation mode, meanwhile, abundant pores can help heat dissipation, the high-temperature-resistant performance of the rubber asphalt is improved, and the situation that the rubber asphalt is softened in the high-temperature environment and influences the bearing capacity of a road surface is avoided.

The invention relates to the technical field of cable preparation, in particular to a breakage-resistant photoelectric composite cable for wiring in a narrow space. Comprising a composite crosslinked polyethylene cable protection layer and an optical cable, and the composite crosslinked polyethylene cable protection layer comprises the following components in percentage by mass: 16-18% of precursor powder, 5-6% of a charring agent, 74.6-78% of PE, 0.6-0.8% of triallyl cyanate and 0.4-0.6% of dicumyl peroxide. The cerium nitrate, the yttrium nitrate and the sodium stannate are compounded to prepare the spherical rare earth nano material, and yttrium ions of the yttrium nitrate and the sodium stannate can finally form a crystal material with an approximately spherical polyhedral structure, so that the mechanical property of the composite crosslinked polyethylene cable protection layer is improved; according to the present invention, the composite material is not easily layered and cracked under the long-time pressure bearing condition, the microstructure of the composite material is changed so as to achieve the more compact structure, and the pressure resistance is improved to a certain extent.

The utility model discloses a waterproof high-temperature-resistant power cable, which relates to the technical field of power cables and comprises a cable tube, a plurality of copper cores are arranged in the cable tube, a fireproof layer is arranged on the outer side of the cable tube, a waterproof layer is arranged on the outer side of the fireproof layer, and a wear-resistant protective sleeve is arranged on the outer side of the waterproof layer. A cavity is formed between the waterproof layer and the wear-resistant protective sleeve; the reinforcing rings and the reinforcing ribs play a role in protecting the waterproof layer, the strength and the toughness of the waterproof layer can be enhanced, the phenomenon that the power cable is broken is avoided, the fireproof layer can play a role in flame retardance on fire, and continuous combustion of the fire is avoided; wherein the set metal wire mesh is high in ignition point and plays a role in binding the cable tube, so that the copper core in the cable tube is connected more tightly, and the set plaster tube is made of rubber tube coated plaster, so that the plaster tube has good elasticity and buffering performance, and damage to the cable tube caused by external force of the power cable is avoided.

The invention discloses a fuel supply system, method and equipment of an engine and a medium. The fuel supply system comprises a first fuel supply pipeline and a second fuel supply pipeline, a second delivery pump for pumping a second fuel; the adding device is provided with a second channel communicated with the output end of the second conveying pump and the first fuel supply pipeline, and the flow area of the second channel is adjustable; the control module is electrically connected with the second conveying pump and the adding device and used for determining the target adding amount of the second fuel based on the engine operation working condition; determining target traffic based on the target additive amount; and based on the target flow, the flow area of the second channel or the pumping pressure of the second conveying pump is controlled, so that the second fuel is conveyed to the first fuel supply pipeline at the target flow until the adding amount of the second fuel in the first fuel supply pipeline reaches the target adding amount. By the adoption of the system, diesel-free cold start is achieved, the complexity and cost of the system are reduced, the pause feeling in the fuel conversion process is eliminated, the combustion stability of an engine is improved, and the service life of the engine is prolonged.

The invention provides a fireproof and flame-retardant wood-stone material and a preparation method thereof, and relates to the technical field of wood-stone materials. The wood-stone material comprises: 100-120 parts of stone powder, 50-80 parts of wood powder, 30-50 parts of polyvinyl chloride, 15-25 parts of flame retardant, 10-20 parts of calcium powder, 2-2.5 parts of foaming agent, 10-15 parts of foaming regulator, 5-7 parts of stabilizer, 2-5 parts of anti-impact agent, 0.6-1.5 parts of stearic acid and 0.4-0.6 parts of oxidized polyethylene wax; the flame retardant comprises a shell layer and a core layer, the main components of the shell layer are organic flame retardant and degradable resin, and the main component of the core layer is an aerosol fire extinguishing agent; the preparation method comprises: S1. raw material preparation; S2. mixing and batching; S3. extrusion; S4. molding and cooling; S5. cutting and trimming; S6. detection. The flame retardant shell layer and core layer of the flame retardant of the present invention respectively select different flame retardant / fire extinguishing components, which can not only play an excellent fire retardant role in daily use, but also play different degrees of flame retardant and fire extinguishing role in different stages of fire. The flame retardant is applied to wood and stone materials to effectively improve the fire retardant properties of wood and stone materials.

The utility model relates to the technical field of papermaking felt, and discloses an anti-pollution and anti-corrosion easy-to-clean papermaking felt which comprises an anti-skid layer, the top of the anti-skid layer is fixedly connected with a base cloth layer, and the top of the base cloth layer is fixedly connected with a reinforcing layer used for reinforcing the tensile property of the papermaking felt. A PP layer assembly used for enhancing the strength of the papermaking felt is installed at the top of the reinforcing layer, a moisture absorption layer used for keeping the papermaking felt dry and absorbing moisture is installed at the top of the PP layer assembly, and a fire-retardant layer assembly used for preventing fire is installed at the top of the moisture absorption layer. The top of the flame-retardant layer assembly is provided with a woven layer used for improving the toughness of the papermaking felt. According to the anti-pollution and anti-corrosion easy-to-clean papermaking felt, a user can conveniently clean the papermaking felt, meanwhile, the strength of the papermaking felt can be effectively enhanced, the problem that the papermaking felt is affected with damp and mildewed after being used for a long time is further prevented, meanwhile, the ignition point of the papermaking felt is increased, and therefore the using effect of an existing papermaking felt is effectively improved.

The utility model relates to the technical field of dust removal equipment, and discloses a pulse type bag-type dust remover, which comprises a dust removal main body, the bottom of the dust removal main body is communicated with a storage assembly, the storage assembly comprises a dust collection hopper, and the outer surface of the storage assembly is provided with a plurality of groups of support upright posts; a discharging assembly is fixedly installed at the output end of the dust collecting hopper through bolts and nuts. According to the pulse type bag-type dust collector, through the spraying assembly, the liquid inlet pipe injects condensation liquid into the spraying ring pipe, the condensation liquid in the spraying ring pipe is sprayed in an aerial fog state from the output ends of the atomization nozzles through the spraying branch pipes under the pressure effect, and the aerial fog condensation liquid output by the multiple sets of atomization nozzles in a combined mode and particulate matter suspended in the dust collecting hopper are condensed and settled; meanwhile, the settled particles are coagulated into clusters under the action of the coagulation liquid, gaps among the coagulated particles are effectively reduced, the ignition point of the wetted and coagulated particles is increased, and the safety of the device in the operation process is improved.

The invention relates to the technical field of phased array equipment structure design, and particularly discloses a rib type polarizer structure. The polarizer structure comprises fiber cloth, supporting ribs, insulating fastening screws, an upper mounting frame, a lower mounting frame and a metal frame. Wherein the five layers of fiber cloth are sequentially stacked and placed on the upper installation frame and the lower installation frame in an arc shape, the supporting ribs are placed in the middle of the five layers of fiber cloth, and the five layers of fiber cloth, the supporting ribs, the upper installation frame and the lower installation frame are installed into a whole through the insulation fastening screws. A plurality of spaced channels are formed between the fiber cloth through the supporting ribs, the channels can form air channels, and cold air is introduced into the air channels through other devices to cool the fiber cloth and the supporting ribs. According to the technical scheme provided by the invention, the heat resistance problem of the polarizer is solved by using a novel structural form, and a solution is provided for reliable application of the arc-shaped polarizer during transmission of a high-power antenna.

The invention discloses a micro-alloying rapid extrusion flame-retardant magnesium alloy and a preparation method thereof, and belongs to the technical field of metal materials. The microalloying fast extrusion flame-retardant magnesium alloy is prepared from the following components in percentage by mass: 1.0 to 1.8 percent of aluminum, 0.3 to 0.4 percent of calcium, 0.4 to 0.6 percent of manganese, 0 to 0.08 percent of nano particles, less than or equal to 0.02 percent of inevitable impurities and the balance of magnesium. Calcium is preferentially oxidized at high temperature to form a compact CaO layer to block oxygen, so that the ignition point of the alloy is obviously improved; a high-density nanophase is dynamically separated out from aluminum and manganese in the rapid extrusion process, the grain boundary is effectively pinned, grain coarsening is inhibited, and the stability of a microstructure below an oxidation film is enhanced; nanoparticles are combined with ultrasonic melt treatment to refine the structure, surface oxidation film microdefects are filled at the same time, and the self-repairing capacity and compactness are improved. According to the design, through microalloying design (the total element content is smaller than or equal to 2.8%), nanoparticle reinforcement and a rapid extrusion process are cooperated, collaborative optimization of low production cost, good flame retardant property and efficient extrusion capacity of the alloy is achieved, and the industrial prospect is wide.

The present invention belongs to the field of heat-not-burn cigarette smoking utensils, and particularly relates to an oxygen-depleted heating smoking utensils with a door at the bottom, a cigarette assembly and a smoking method comprising the same. The oxygen-depleted heating smoking utensils include a cigarette accommodating chamber (3), a door (4) is provided at the bottom of the cigarette accommodating chamber (3), a smoke extraction element (6) is provided in the cigarette accommodating chamber (3), and a fixing and limiting mechanism (7) is provided between the smoke extraction element (6) and the cigarette accommodating chamber (3). The present invention also discloses a cigarette assembly and a smoking method comprising the oxygen-depleted heating smoking utensils. The smoke extraction element of the present invention is retained inside the cigarette accommodating chamber by a fixing and limiting mechanism, and is not easy to fall or be lost. There is a door at the bottom of the cigarette accommodating chamber, and the smoke extraction element can be moved. The tobacco segment and the filter segment are respectively plugged in / disassembled at both ends of the cigarette accommodating chamber, which is convenient for operation.

The invention discloses high-flash-point mineral insulating oil and a preparation method thereof, and belongs to the technical field of electric insulating oil. The high-flash-point mineral insulating oil comprises the following components in percentage by weight: 94-95% of mineral transformer oil, 2% of cresyl diphenyl phosphate, 1-2% of triphenyl phosphate, 1-2% of triphenyl phosphate and 1-2% of tributyl phosphate. The high-flash-point mineral insulating oil provided by the invention has the beneficial effects that the selected flame retardant is a harmless liquid substance, halogen compounds harmful to the environment are completely avoided, and the final high-flash-point mineral insulating oil can be quickly formed by directly mixing the flame retardant and the mineral oil without the help of any solubilizer and by utilizing a mechanical stirring mode.

This invention relates to the field of sealing grease technology, and more particularly to a high-performance, flame-retardant water-based shield tail sealing grease, its preparation method, and its application. The sealing grease comprises, by mass percentage: 10%–25% polyalphaolefin, 15%–30% polyisobutylene, 10%–25% sodium poly(isobutylene-alt-succinate), 10%–18% deionized water, 20%–30% filler, 1%–15% thickener, and 1%–3% reinforcing fibers. Specifically, the polyalphaolefin and polyisobutylene constitute a continuous oil phase, while the sodium poly(isobutylene-alt-succinate) dissolves or disperses in the deionized water and accumulates at the oil-water interface, allowing the deionized water to be stably dispersed as an internal phase, forming a water-in-oil structure. The sealing grease of this invention has moderate zero-point penetration, excellent pumpability, reliable sealing under 3.5MPa water pressure, good erosion resistance under both fresh and seawater conditions, and an ignition point of not less than 295℃. It also has excellent flame retardancy and environmental friendliness, and is suitable for shield tail sealing in long-distance, deep-buried and high-water-pressure shield tunnel construction.

The present invention relates to the technical field of non-ferrous metal casting, and in particular to an environmentally friendly demoulding agent for aluminum ingot casting and a preparation method thereof. The demoulding agent comprises 45-75 parts of trimethylolpropane stearate, 15-45 parts of synthetic saturated hydrocarbon polymers, 1.5-5 parts of antioxidants, 0.05-5 parts of anti-wear agents, and 0.02-0.2 parts of non-ferrous metal corrosion inhibitors, in parts by weight. The weight ratio of the trimethylolpropane stearate to the synthetic saturated hydrocarbon polymer is (1-5): 1. The demoulding agent of the present invention has excellent wetting, spreading, and permeability, excellent anti-wear performance, high ignition point, low oil smoke, low coking tendency, and excellent hydrolysis resistance, and can greatly reduce the influence of cooling water on demoulding quality, and can also effectively control the pollution of cooling water, and the demoulding agent also has a high biodegradability, can ensure the surface quality of the ingot, improve casting efficiency, and reduce pollution.

The invention discloses concrete with high compression resistance and corrosion resistance and a preparation method thereof, and relates to the technical field of concrete. Firstly, undecylenic aldehyde is grafted on the surface of polyvinyl alcohol, so that the mechanical strength and the corrosion resistance of the concrete are improved; according to the present invention, the mechanical strength and the thermal stability are significantly improved, the corrosion resistance of the concrete is improved, the sulfonate is decomposed to absorb heat during combustion, the decomposition combustion speed is slowed down, the carbonized layer is formed, the silicon element is assisted, the thermal stability is improved, and the corrosion resistance of the concrete is improved; the ignition point is improved and the flame-retardant effect is enhanced. The modified polymer emulsion is prepared by enabling allyl trimethyl ammonium chloride and allyl alcohol glycidyl ether to participate in styrene acrylate polymerization reaction, cations are introduced, the corrosion speed is slowed down, glycidyl ether is assisted, and the mechanical strength and durability of the concrete are improved. And the two are mixed and filled with concrete, so that the effects of high pressure resistance, corrosion resistance and flame retardance are achieved.

The utility model discloses a gasification slag treatment waste gas purification mechanism which comprises a multi-phase reactor, a cooler is arranged on the right side of the multi-phase reactor, a desulfurization device is arranged on the right side of the cooler, and a natural gas anti-flame-off device is fixedly installed on the inner bottom wall of the multi-phase reactor. A denitration device is fixedly installed on the upper surface of the multi-phase reactor, a calcium spraying device is arranged in the multi-phase reactor, the top end of the calcium spraying device is fixedly communicated with the input end of the denitration device, and the output end of the denitration device is fixedly communicated with a first exhaust pipe. The bottom end of the first exhaust pipe is fixedly communicated with the input end of a cooler, the output end of the cooler is fixedly communicated with a second exhaust pipe, and the end, away from the cooler, of the second exhaust pipe is fixedly communicated with the input end of the desulfurization device. The waste gas purification mechanism for gasified slag treatment can efficiently purify waste gas generated during incineration of gasified slag, and pollution of the discharged waste gas to the air environment is reduced.

A universal integrated recombined bamboo board with a fireproof function relates to the related field of boards and comprises a flame-retardant bamboo board and insertion buckle holes, clamping grooves are formed in the two sides of the flame-retardant bamboo board respectively, the insertion buckle holes can be formed in the clamping grooves, insertion buckles are fixedly arranged in the clamping grooves, clamping insertion grooves are formed in the insertion buckles, and the insertion buckle holes are formed in the insertion insertion grooves. One side of each flame-retardant bamboo board is provided with a positioning protruding block and a positioning groove, the positions of the positioning protruding blocks and the positioning grooves on the two sides are opposite, the two flame-retardant bamboo boards are locked by matching the flame-retardant bamboo boards and the inserting buckle holes with the inserting buckle caps, and the surfaces of the bamboo board layer and the antibacterial layer are both coated with board flame retardants. The flame-retardant bamboo board has the advantages that the flame-retardant bamboo board is provided with the antibacterial layer which is formed by pressing sound-absorbing cotton, water-absorbing antibacterial filling particles and adhesives, so that the ignition point of the flame-retardant bamboo board is increased, board combustion can be effectively blocked, and the flame-retardant bamboo board has a good antibacterial effect.

The invention discloses a lithium ion battery electrolyte and a preparation method thereof. The lithium ion battery electrolyte comprises an organic solvent, a lithium salt and a film-forming additive, the mass ratio of the organic solvent to the film-forming additive is (10-20): 1; the molar concentration of the lithium salt is 0.5 to 1.5 mol / L. By introducing the film-forming additive with good compatibility with the organic solvent, not only is the low-temperature performance of the electrolyte improved, but also the compatibility of the electrode is improved, and the limitation that the organic solvent cannot be used as the main solvent of the electrolyte is successfully broken through. The problems of flammability, unstable low-temperature performance and low charging efficiency of an existing lithium ion battery electrolyte are solved, a solid electrolyte interface film which is firm, uniform and relatively thin can be formed on the surface of an electrode material, and the cycle life and the capacity of a lithium ion battery are improved.