445results about How to "Fire Hazard Prevention" patented technology

The invention discloses a digital printing braided fabric making method and braided fabrics made from the method, which comprises the working procedures of the preparation of a medicament, coating and drying and is characterized in that an adhesive used in the preparation of the medicament is any one of acryl, polyurethane and ethylene-vinyl acetate and a solvent is water. The solvent, which is water, with a weight percentage of 20 percent to 40 percent is added into the adhesive with a weight percentage of 60 percent to 70 percent and silicon dioxide or titanium dioxide with a weight percentage of 3 percent to 7 percent and mixed to form an intermediate medicament. And then the intermediate medicament with a weight percentage of 40 percent to 70 percent and polyvinyl alcohol with a weight percentage of 30 percent to 60 percent are mixed and evenly stirred to form a final medicament. A functional medicament which does not influence the printing function is coated on the rear view of the braided fabric so that a sewing splitting phenomena of the braided fabric does not appears even the braided fabric is cut by a common blade. Furthermore, the hardness and the durability of the braided fabrics are obviously improved.

The present invention relates to a forest fireproofing early warning system which is composed of a wireless internet server, a monitoring system, at least two fireproofing detector and at least one wireless transmission base station. The present invention is characterized in that a wireless fire alarm detection and fire alarm information transmission net is formed by at least two fireproofing detectors; the wireless transmission base station is in the wireless fire alarm detection and fire alarm information transmission net; each fireproofing detector is used for detecting fire hazards to generate early warning signals, and short-distance wireless early warning signals are transmitted between adjacent two fireproofing detectors to the wireless transmission base station directly; the wireless transmission base station and the wireless internet server are communicated wirelessly; and the wireless internet server is connected with the internet of the monitoring system. The present invention has the advantages of convenient construction and arrangement, wide monitoring range, without communication cables and safe use, and can timely monitor the fire hazards and judge the pervasive conditions of the fire hazards.

A range hood comprising a hood body, a ventilation fan inside a continuous pipe; a water container is on the bottom of the hood body, a removable board is on the front side of the hood body, a filter net is in between from inside of the removable board to the continuous pipe. Based on the described above; water level in the water container is above the bottom of the removable board and the filter net, when the ventilation fan is on, air is sucked in from the inlet pipe, the soot is also sucked in; the air flow rushes from water surface and flows from the bottom of the removable board and turns to the filter net, and forms a small water curtain between removable board and the filter net; the present invention achieves washing, sucking particles and dust, prevent fire hazard, water recycling and easy to maintain effect.

The invention relates to an oil gas recovery method and a device, which uses the integration technology of the absorption method and the membrane separation method; the method leads the mixed gas with various oil gas and air produced in the oil receiving and dispatching process of the oil product storage and transportation device to enter an absorption tower through a gas gathering tube and a compressor; dedicated lean absorbent is used in the absorption tower to absorb the oil gas discharged from the evaporation of the recovery of the light oil product, the off-gas that comprises a small amount of oil gas inside the tower is sent to a membrane separator, the oil gas and the air can be further separated, the air is sent to the free air, and the absorbent inside the tower that absorbs the oil gas is sent to a desorption tank to be desorbed and regenerates, thus ensuring the absorbent to be recycled. The oil gas with high concentration separated from the membrane separator and desorbed from the desorption lateral tank can be sent to the recovery tower and be absorbed by the liquid lean oil body inside the tower, and the fat oil after absorption is sent back to the oil storage tank or is used directly. The oil gas recovery rate of the invention is up to 99 percent, and distinct environmental benefit and economic benefit can be obtained.

The invention discloses a chemically heating smokeless cigarette comprising a cigarette head, a cigarette cavity and a cigarette holder which are in axial connection and are communicated with one another. Absorbing materials capable of absorbing volatile acid are arranged inside the cigarette head, and cut tobacco with nicotine and heating materials capable of heating when contacting with air and water are arranged inside the cigarette cavity. The chemically heating smokeless cigarette can take a place of a traditional cigarette; and smoke with nicotine ingredient can be formed only by suction of a user to satisfy the user. Most harmful ingredients produced in a tobacco combusting process can be eliminated completely owing to high-temperature combustion, but nicotine intake of the user is not affected, no soot and second-hand smoke are produced, and no affects are produced on surrounding crowds or environment. In addition, since the chemically heating smokeless cigarette is low-temperature cigarette product, fire hazard is completely eliminated.

The invention discloses a semisynthesis cutting fluid for magnesium alloy. According to the invention, the hidden danger of fire hazard in the process of magnesium alloy processing is totally avoided by using an environment-friendly water-soluble system; excellent reasonable proportioning of additives and combined application of corrosion inhibitors effectively prevent the surface of processed magnesium alloy from corrosion and blackening; designing of a low foam type formula enables generation of foam in the cutting fluid for the magnesium alloy to be totally inhibited; application of a delicate low-foam surfactant enables the problem of difficult cleaning of workpiece surface due to excessive oil stains to be overcome; application of an additive with resistance to hard water enables hard water-resistance of the fluid to be effectively improved, the fluid has hard water-resistance of 15000 ppm, allowing the service life of the fluid to be prolonged, all the indexes of the fluid reach or exceed relevant indexes in GB6144-2010, anti-rust performance lasts for more than 72 h per sheet, and the life cycle of the fluid is more than 8 months, 3 to 6 times the life cycle of magnesium alloy cutting fluid on the market; and reasonable design of an environment-friendly formula enables the problems of difficulty in treating waste liquid and the like to be effectively overcome.

The present invention is one kind of nano acrylic acid microemulsion, water-thinned heart reflecting and isolating paint with the nano acrylic acid microemulsion and their prodcution process. The present invention aims at solving the technological problems of available paint, which contains great amount of organic solvent to pollute environment and has poor heat reflecting and isoalting performance. The water-thinned heat reflecting and isolating paint consists of nano acrlic acid microemulsion, conventional acrylic acid emulsion, pigment, filler, infrared ray reflector, assistant, pH regulator, densifier and softened water. The paint contains no organic solvent and has excellent heat reflecting and isolating performance.

The invention discloses an integral type thermal insulation building, which belongs to the technical field of building engineering. The problem to be solved is to provide the integral type thermal insulation building. The adopted scheme is that the integral type thermal insulation building at least uses one of an inorganic thermal insulation structure layer and an inorganic thermal insulation layer, wherein the inorganic thermal insulation structure layer is formed by combining one or two of inorganic thermal insulation load-bearing concrete and inorganic thermal insulation load-bearing building blocks; and the inorganic thermal insulation load-bearing concrete comprises the following components in a mixing weight ratio (kg/m<3>) of concrete composite light bone admixture to cement to sandto stone to porcelain granule to fly ash to water to concrete admixture of (6-225):(200-800):(300-700):(500-1,600):(150-650):(10-600):(80-400):(0.1-200). The integral type thermal insulation buildingcan be widely applied to the technical field of buildings.

The invention belongs to the technical field of cigarettes, and particularly relates to a nicotine smoke fog normal temperature cigarette with tobacco flavor. The cigarette comprises a cigarette end, a cigarette cavity and a cigarette holder which are sequentially connected and communicated in the axial direction, wherein a first adsorption material is arranged in the cigarette end, and volatile acid is absorbed on the first adsorption material; a second adsorption material is arranged in the cigarette cavity, and nicotine is absorbed on the second adsorption material; atomized powder is arranged in the cigarette holder. The normal temperature cigarette provided by the invention has the advantages that the external thermal resource is not utilized, smoke fog with the nicotine ingredient can be formed only by virtue of suction, and as no high temperature burning is performed, the vast majority of unsafe ingredients produced in the burning process of the tobacco are radically avoided, passive smoking and cigarette ashes are not produced, influence on surrounding people or environment is avoided, and nicotine intake of a smoker is not affected; in addition, as the cigarette is a normal temperature cigarette product, fire hazards can be avoided.

The invention discloses a tobacco cigarette with double heating sides. The tobacco cigarette comprises a cigarette holder and a smoke chamber. The cigarette holder and the smoke chamber match with each other. A smoke generator and a heating device providing heat sources are arranged in the smoke chamber. The smoke generator is symmetrically arranged around a central shaft of the smoke chamber, one end of the smoke generator is connected with the cigarette holder, while the other end of the smoke generator is connected with the heating device. The smoke generator comprises a tobacco product area, a heating layer of an outer layer is arranged between one outer side wall of the tobacco product area and an inner side wall of the smoke chamber, and a heating layer of an inner layer is arranged on the other outer side wall of the tobacco product area. With the tobacco cigarette with the double heating sides, heating areas of tobaccos are increased; and cigarette burning can be imitated, so that damages to passive smokers and customers caused by the cigarette burning are reduced, and outbreaks of fire due to open flames of the cigarettes are effectively avoided.

The invention provides a modified asphalt waterproof coiled material which comprises an upper surface layer, a modified asphalt layer, a core layer, fiberglass gridding cloth, a self-stick layer and an isolating membrane. The asphalt layer is prepared from the following raw material components: matrix asphalt, a modifying agent, softening oil, a reinforcing agent, regenerated epoxy resin powder, an inorganic filler and elastic granules. The self-stick layer is prepared from the following raw material components: matrix asphalt, a modifying agent, SBR rubber, SIS thermoplastic rubber, regenerated epoxy resin powder, elastic granules, rubber oil, tackifying resin and talcum powder. The waterproof coiled material provided by the invention is low in cost, less in energy consumption, good in mechanical performance and free of fire risk.

This invention discloses formula and method for preparing high-performance water-soluble alkyd antirust primer. The method comprises: synthesizing water-soluble alkyd resin solution, mixing with antirust pigment, filler, water, drier and additives, dispersing, and grinding. The primer utilizes water as the diluting agent, and is noncombustible, thus is safe for the operators. The volatile organic compound (VOC) content is very low, and can meet the state standards of China. Besides, the primer also has such advantages as safe and convenient usage, high mechanical strength, high corrosion, acid, alkali, salt, oil, weathering and water resistance, and good antirust effect, and can be used as primer for transportation means, bridges, storage tanks, pipes and mechanical equipment.

The invention discloses a charging gun heat exchange structure and a charging gun. The charging gun heat exchange structure comprises a heat exchange groove formed in the charging gun head; the heat exchange groove is connected with a liquid inlet pipe and a liquid outlet pipe; main wire terminals and a ground wire terminal pass through the heat exchange groove; a coolant which flows from the liquid inlet pipe flows through the heat exchange groove to perform heat exchange with the main wire terminals and then flows out of the liquid outlet pipe; the main wire terminals are set to be electrically isolated from the coolant in the heat exchange groove; and the ground wire terminal is set to be in electrical contact with the coolant in the heat exchange groove. By adoption of the charging gun heat exchange structure, the risk hidden danger caused by coolant leakage can be greatly lowered.

The invention relates to the technical field of silicone rubber, in particular to a silicone rubber foaming material and a preparation method thereof. The silicone rubber foaming material is prepared from the following components in parts by mass: 30 to 70 parts of liquid silicone rubber, 5 to 40 parts of methyl vinyl silicone oil, 1 to 5 parts of hydrogen-containing silicone oil, 0.5 to 1.5 parts of platinum catalyst, 0.01 to 0.05 part of inhibitor, 1 to 5 parts of foaming agent, 10 to 50 parts of flame retardant and 10 to 50 parts of reinforcing agent. The silicone rubber foaming material provided by the invention is characterized in that an Si-H bond of the hydrogen-containing silicone oil is activated by the platinum catalyst to generate a silicon hydrogenation addition reaction, so as to form an elastomer with a three-dimensional net structure, so that the silicone rubber foaming material provided by the invention has good flexibility; by adding the foaming agent, dense and uniform pores are formed inside the silicone rubber foaming material, the silicone rubber foaming material has better elasticity and smaller stress relaxation property, a sealing effect of communication equipment is guaranteed, and the maintenance cost is reduced.

The invention discloses a chemical heating low-temperature cigarette. The chemical heating low-temperature cigarette comprises a chemical reaction section, a heating section and a filter tip section, the chemical reaction section comprises a cavity containing liquid water, a first outer package and an adsorption ball adsorbing acid, sealing films are arranged on the two axial end faces of the cavity, the heating section comprises an inner cavity filled with solid alkali, a second outer package and an outer cavity filled with alkali particles and tobacco shreds, a pointed end is arranged on the end face, corresponding to the chemical reaction section, of the inner cavity, and a water permeable hole is formed in the side wall of the pointed end. Tobacco shreds are heated through the chemical reaction, the heating temperature is low, and injuries to environment and human health from sidestream smoke can be effectively reduced under the situation of not affecting releasing of tobacco flavoring compositions in the tobacco shreds. The chemical heating low-temperature cigarette is simple in structure, convenient to use, and beneficial to popularization of low-temperature cigarettes.

The invention provides a microfluid extraction method for extracting and separating In, Fe and Zn. The microfluid extraction method comprises the steps of: using a sulfuric acid system solution containing indium, ferrum and zinc as a water phase and a P204 extracting agent diluted through solvent oil as an organic phase, which are respectively fed into two flow pumps, wherein the outlet end of the flow pump is connected with an inlet of a microreactor; simultaneously, observing a two-phase laminar flow phase interface formed inside a microchannel through an optical microscope, so that two phases flow in parallel and then begins to be separated when reaching a Y-type fork at the outlet of the microchannel, and the two phases flow out of the microreactor from outlets of the two phases; respectively collecting the two phases; and extracting indium to enter the organic phase and leaving ferrum and zinc in the water phase, so that the separation of indium, ferrum and zinc is realized. The extraction rate of In can be up to more than 90%, but ions of Fe and Zn are not extracted completely; moreover, no emulsion appears; and reaction time is greatly shortened, the using amount and consumption of the extracting agent can be reduced, the condition controllability is high, the safety is high, and extracted organic solvent is prevented from being exposed in the air.

The invention provides an optical cable comprising a cable core and an outer sheath. The cable core comprises an optical unit, phase lines and a lead; each phase line comprises a phase line conductor and a first insulating layer coating the phase line conductor; the lead is of a hollow tubular structure, and the optical unit and the phase lines are located in the hollow portion of the lead which is a null line or ground line. The invention further provides a coaxial optical cable comprising a coaxial cable core and an outer sheath. The coaxial cable core comprises an optical unit, one or multiple coaxial phase lines and a lead in sequence from inside to outside, each phase line comprises a phase line conductor and a first insulating layer coating the outer side of the phase line, and the lead is a zero line or ground line. The optical cable and the coaxial optical cable have the advantages that a structure of coating the phase lines inside with the zero lines or ground lines is adopted, when the insulating layers are aged or a line is overloaded, electric leakage of the phase lines and fire hazards are avoided, and safety of a power supply system is guaranteed.

The invention relates to the technical field of polypropylene, in particular to a flame-retardant polypropylene with light specific gravity and impact resistance and a preparation method thereof. The flame-retardant polypropylene comprises 70-80 percent of polypropylene, 6-10 percent of flame retardant, 3-8 percent of antimony oxide, 5-8 percent of flexibilizer, 5-10 percent of antioxidant, 5-10 percent of antioxidant adjuvant and 5-10 percent of hexylene radical bis stearamide according to weight percentage. The flame-retardant polypropylene not only is light in specific gravity and resistant to impact, but also retards flame, greatly reduces the production cost of manufacturers while clearing away the potential fire hazard of plastic furniture, especially solves the technical difficulty of PP reactive flame retardant and flexibilizer with cooperativity and is at leading level at home and abroad. Proved by tests, the physical property can simultaneously meet the requirements of impact-resistant and fireproof UL94-V0 of plastic chairs.

The invention discloses a non-combustion type tobacco cigarette smoking device based on electromagnetic induction heating. The device comprises a shell, a smoking nozzle is connected to one end of the shell, a heating tube is arranged in the shell, a tobacco heating cavity used for containing a tobacco product is formed in the heating tube, the heating tube is wrapped with a thermal insulation layer, an electromagnetic induction coil is wound on the thermal insulation layer, a PCB, a switch and a power module which are connected with the electromagnetic induction coil are further arranged in the shell, and the switch extends out of the shell; the smoking nozzle is provided with a smoking hole which is communicated with the tobacco heating cavity, air holes communicated with the tobacco heating cavity are formed in the surface of the shell, and the air holes are located at the end, far away from the smoking nozzle, of the shell. In the using process of the non-combustion type cigarette smoking device, a traditional cigarette or tobacco shred can be placed in the tobacco heating cavity, the heating tube is heated by way of the electromagnetic induction heating, thereby the cigarette or the tobacco shred is heated, generated volatile matters enter the oral cavity through the smoking nozzle, and a user acquires the sense of satisfaction. By means of the non-combustion type cigarette smoking device, physiological needs of people for smoking can be satisfied, and meanwhile harm of 'passive smoking' is reduced.

An intelligent wireless cabinet fire monitoring system comprises cabinet monitoring terminals of a fire detector, a fire controller, an automatic fire extinguishing device, etc. in the cabinet. The fire detector transmits detected temperature information, smoke information and fire information in the cabinet to the fire controller. The fire controller determines whether a fire disaster occurs according to the received data, and furthermore transmits a fire extinguishing instruction to the automatic fire extinguishing device for performing fire extinguishing operation. Simultaneously the fire controller stores the received data information and transmits the received data information to a monitoring host computer in a monitoring room in which the cabinet is arranged. The monitoring host computer is used for performing parameter setting, data displaying, early-warning analyzing, fire extinguishing controlling, history inquiring and decision supporting. The intelligent wireless cabinet fire monitoring system has the functions of monitoring an operation state in the cabinet in real time, intelligently determining the fire state in the cabinet, automatically performing a fire extinguishing treatment on the environment in the cabinet, and recording and storing the monitored data information from operation of the system, thereby performing intelligent prejudgement and analysis on the operation trend of the cabinet.

The invention discloses a graphene-based self-temperature-limiting electrothermal slurry and a preparation method and application in electric heating floor system thereof. The electrothermal slurry isprepared by mixing a graphene dispersion liquid, resin, an electrothermal filler, a PTC self-temperature-limiting filler, a formaldehyde-removing functional filler and various additives to prepare ahomogeneous graphene electrothermal multifunctional slurry. After treatment is carried out on the surfaces of a wood substrate, a pure graphene slurry is coated on the substrate to improve the thermalconductivity of each surface of the substrate; the electrothermal multifunctional slurry is combined with the treated substrate; and after drying, conductive circuits, a protective layer, a thermal insulation layer and a temperature control system are laid. . The invention has the advantages of self-temperature-limiting of a heat-generating layer, a formaldehyde removing function, high thermal conductivity of the substrate, a simple manufacturing process, being environment-friendly, suitability for large-scale production, etc.

The invention relates to an electric vehicle mobile power supply. The electric vehicle mobile power supply comprises a charging assembly, a storage battery assembly, a main control assembly and an output assembly, wherein the charging assembly is used for converting an external power supply voltage and charging the storage battery assembly; the storage battery assembly is used for storing the electric energy of the external power supply voltage, and charging the electric vehicle; the main control assembly is used for regulating and monitoring charging-discharging parameters of the storage battery assembly; and the output assembly is used for outputting the electric energy of the storage battery assembly to the electric vehicle, and charging the electric vehicle. By adoption of the electric vehicle mobile power supply, the electric vehicle can be charged at any time anywhere, so that the shortcoming that a fixed charging pile cannot move in a charging process is overcome; particularly, the electric vehicle mobile power supply can temporarily charge the electric vehicle which is in low battery to increase endurance mileage of the electric vehicle; and meanwhile, the electric vehicle mobile power supply is safe, reliable, stable, convenient, compact in structure, efficient in operation, and has relatively high promoting significance to the popularization of the electric vehicle.

The invention relates to a full-thread fiber resin rod body soil nailing wall and a construction method thereof; a soil nail rod body of a soil nailing wall is a full-thread fiber resin rod body, auxiliary reinforcement ribs are arranged at positions situated on the upper part of an interior segment of a concentrate surface layer of the soil nail rod body, and continuous cross pressing ribs are arranged on the lower part thereof; the fastening nut is a resin nut; the lining plate is a resin lining plate injected by a resin material and is fastened on the outer surface of the concentrate surface layer; and ring locators are sleeved on the parts stretched into the side slope soil of the full-thread fiber resin rod body at intervals. Compared with the present soil nailing wall, the invention has the advantages of simple and convenient construction, energy saving, consumption reduction and larger application range of resin rod body; and the nut and lining plate situated on the end part of the rod body are situated at the outside of the concentrate surface layer, so the stress is more reasonable. Meanwhile, an expanding head is arranged at a position situated in the side slope of the rod body according to the actual engineering to form a reinforced expanding head soil nail, so that the plasticity is strong. The invention can be extensively applied in the construction of side slope soil nailing wall technique.

The invention discloses a waterborne epoxy conductive paint. The waterborne epoxy conductive paint mainly comprises a component A and a component B, wherein the component A comprises the following components in percentage by weight: 45%-55% of epoxy resin emulsion, 5%-45% of mill base mixture, 1.4%-5.1% of auxiliary agent II and 9%-11% of pigment II, and the sum of the components is 100%, wherein the mill base mixture comprises the following components in percentage by weight: 68%-73% of pigment I, 1.3%-4.6% of auxiliary agent I, 0.2%-0.6% of conductive agent and the balance of water; and the component B comprises a curing agent and an emulsifying agent. The waterborne epoxy conductive paint disclosed by the invention has the advantages of good conductibility, acid resistance, alkali resistance, heat resistance and chemical resistance, and can prevent the static accumulation inside an oil tank.