95results about How to "To achieve the purpose of fire prevention" patented technology

The invention relates to a preparation method of extrusion resistant, fire preventing and super hydrophobic sponge, solves the technical problem that practical application of oil absorbing materials in the prior art is limited for the reason that large scale production of the oil absorbing materials is very difficult. The preparation method comprises the following steps: coating the surface of melamine resin sponge with poly dopamine, and then modifying the surface of melamine resin sponge with a sulfydryl fluoro long-chain alkane or sulfydryl long-chain alkane. The extrusion resistant, fire preventing and super hydrophobic sponge is prepared by a simple and green synthetic method, the used raw materials are cheap and easy to get, and the synthetic method is simple. The prepared material has the advantages of good super hydrophobic property, good fire preventing effect, good mechanical properties and easy large scale production.

The invention discloses a fireproof lightweight composite thermal insulation mortar. The mortar is prepared from the following raw materials, by weight, 5-8 parts of resin type re-dispersible latex powder, 1-3 parts of a wood fiber, 3-6 parts of a hydroxypropyl methyl fiber, 3-7 parts of a polypropylene short fiber, 80-120 parts of heavy calcium powder, 80-120 parts of slaked lime, 80-120 parts of coal ash, 600-800 parts of cement, 300-500 parts of a glass bead, 1-2.5 parts of a high-efficiency water reducer, 1-3 parts of a thixotroping lubricant, 3-5 pars of a concrete waterproof agent and 0.1-0.4 parts of an air entraining agent. The preparation method of the mortar comprises the following steps: adding the raw materials according to a certain order, and fully and uniformly mixing under normal temperature, normal pressure and a stirring speed of 10r/100min. The mortar has the following advantages: a defect that the maintenances of common wall thermal insulation materials cannot be realized by themselves is solved, problems comprising cracking, hollowing, shedding and the like appearing after construction are solved because the needed balance of water absorption and water discharge is automatically reached, and small construction difficulty at normal temperature and according with energy saving and environmental protection requirements are realized because of no use of complicated operations comprising grid cloth use or the like.

The invention claims a mine loess composite gel fire preventing and extinguishing material and a preparation method of the material. The mine loess composite gel fire preventing and extinguishing material comprises a base material, a coagulation accelerator and an aggregate, wherein the base material is sodium silicate; the coagulation accelerator adopts polyacrylamide; and the aggregate is loess. The preparation method disclosed by the invention comprises the following steps of: firstly, mixing the base material and the coagulation accelerator and mixing the aggregate and water, and subsequently, mixing and stirring two slurry solutions to acquire the product. The mine loess composite gel fire preventing and extinguishing material is low in cost, great in viscosity and good in stability.

The invention discloses a fire resistant paint, comprising a mixture additive and an anion ecological paint, wherein, the mixture additive comprises 30-55 wt% of asphalt, 15-30 wt% of mineral spirit, 5-15 wt% of vermiculite, 5-15 wt% of fine asbestos, 2-3 wt% of borax, and 5-10 wt% of mica powder. The fire resistant paint is mainly applied on utensils and furniture, and can resist flame when a fire starts.

The invention relates to a bidirectional flame arrester, which is characterized in that: an upper airflow channel and a lower airflow channel are arranged; a flat valve core capability for moving bidirectionally along the airflow direction is arranged at the central section of the upper airflow channel; a blanking plate is arranged at two sides of the flat valve core respectively; a round channel is arranged on the blanking plate; the upper airflow channel is a water-sealed channel and is connected under the upper airflow channel; a water injection valve, a reject valve and a water cavity communicated with the upper airflow channel are arranged in the lower airflow channel respectively, and a lower water discharge device is arranged at the bottom of the lower airflow channel. The invention has the advantages that: the invention can be applied to places such as the joint of the uphill main pipe of the mining area and the mining pipe branch of the underground working surface, the uphill lower port of the mining area, the shaft station, and the lower port of standpipes from the ground to underground; fire arresting, water discharging and slag discharging can be realized; the catastrophe can be controlled within the minimum scope due to multilevel fire arresting when the catastrophe occurs.

The invention discloses light compound-insulation fireproofing dry-mixed mortar and a preparation method thereof. The dry-mixed mortar is prepared from the following raw materials in parts by weight: 1-3 parts of wood fiber, 3-6 parts of hydroxypropyl methyl cellulose, 3-7 parts of polypropylene short fiber, 5-8 parts of resin type redispersible rubber power, 80-120 parts of coarse whiting powder, 80-120 parts of slaked lime, 80-120 parts of coal ash, 600-800 parts of cement, 300-500 parts of glass beads, 1-4 parts of green syrup, 3-6 parts of lignosulfonate, 5-6 part of calcium formate, 1-2.5 parts of a high-efficiency slushing agent, 1-3 parts of a thixotropic lubricating agent, 3-5 parts of a concrete water-proofing agent and 0.1-0.4 part of an air entraining agent. The preparation method comprises the steps of preparing according to a certain feeding sequence, and uniformly mixing at the normal pressure and temperature and a stirring speed of 30-100 revolutions per minute. The preparation method has the advantages that the defect that an insulation material of a normal wall cannot be automatically maintained is solved, the absorption and discharging of the moisture are automatically balanced, the problems of cracking, hollowing, falling and the like occurring after the construction are solved, complex working procedures for utilizing gridding cloth and the like are omitted, the construction difficulty under the normal temperature is low, and the energy conservation and environmental protection requirements are met.

The invention discloses light compound thermal-insulation mortar. The light compound thermal-insulation mortar comprises the following components in parts by weight: 35-40 parts of cement, 8-12 parts of converter slag granules, 12-18 parts of a reinforced material, 16-22 parts of compound thermal-insulation aggregate, 0.25-0.35 part of resin type redispersible powder, 0.6-0.9 part of cold water type polyvinyl alcohol, 0.1-0.2 part of hydroxypropyl methyl cellulose, 0.01-0.03 part of air entraining agent, 0.06-0.1 part of water glass, 0.005-0.01 part of inorganic retarder, 8-13 parts of polyphenyl granules, 30-50 parts of glass beads and 0.2-0.5 part of concrete water-proofing agent. The light compound thermal-insulation mortar has the advantages that the cement is saved; meanwhile, the thermal-insulation aggregate is added, so that the mortar has a light effect; meanwhile, an thermal-insulation effect is enhanced; after the construction is finished, the mortar is unlikely to crack and fall and can effectively resist water and fire.

The invention discloses a preparation method of macromolecule water-absorbent resin fire extinguishing agent. The preparation method comprises the following steps: preparing NaOH aqueous solution; carrying out neutralization reaction with the prepared NaOH aqueous solution and acrylic acid; and carrying out graft copolymerization reaction, and solidifying, drying and crushing to prepare a product of which the water absorbent rate is more than 500g/g. According to the preparation method of macromolecule water-absorbent resin fire extinguishing agent disclosed by the invention, the product is polymerized in one step; baking and drying are not required; the process procedure is shortened; the production period is short; the cost is low; the three wastes cannot be generated during production process; and the product is pollution-free to the environment, safe and environment-friendly. The fire extinguishing agent product prepared according to the method is high in specific heat capacity, large in evaporation heat amount, nonflammable and strong in water storage capacity, so that the product has the advantages of fast fire extinguishing speed, low price, convenient operation and the like.

The present invention discloses a container and a fire-proof layer fabrication method thereof. The container includes a box body containing metal plates; computing equipment, set in the box body; and a fire-proof layer, formed on the metal plates. By forming the fire-proof layer on box body, the fire-proof layer forms a uniform compact cavernous expanded thermal insulation layer immediately when encountering fire, and prevents flame from spreading effectively, thereby accomplishing the purpose of fire-proof and flame-proof and reducing toxic smoke which generated by the flame combusting. Therefore, the invention solves the technical matters of poor fire-proof, combustion, serious security risk in box body the container in the prior art, thereby accomplishes box body fire-proofing of container, and improves the technical effects in safety of the box body of container.

The invention relates to a method for producing bricks and prefabricated parts used for a building and a civilian building by utilizing weeds, crop straw and a polyurethane foam adhesive. The method comprises the following steps of: processing raw materials: cutting the weeds and straw into segments with the length of 20-40cm by utilizing a straw cutter, disorganizing the weed and crop straw segments by adopting a waste wheel machine to eliminate stress, and drying by adopting a drying machine; mixing grass rubber: mixing in a glue mixer, then carrying out compression moulding, injecting rubber into a grass base by adopting a high-pressure pump so as to be subjected to extrusion moulding, eliminating stress of the weeds and the crop straw and spraying the polyurethane foam adhesive into the waste wheel machine so as to be subjected to impact moulding; performing mould pressing, extruding and stamping, wherein hot pressing is adopted; and postprocessing: naturally cooling, placing embedded parts in a rotating aperture manner or directly placing the embedded parts during mould pressing. The products have the advantages of good heat preservation, energy conservation and earthquake-proof effects, strong antiflaming and insect prevention effects and high compression resistance, bending resistance and impact resistance. When the products are used for building a wall, cement is used for smearing a wall surface to prevent grass bricks and prefabricated parts from being damaged, thus the aim of fire protection is achieved.

The invention relates to a preparation method of a ceramic composite modified resin coated EPS foam flame-retardant thermal-insulation material. The method comprises steps as follows: (1) a resin material, ceramic forming filler, a fluxing agent and a dispersing agent are evenly mixed under the stirring condition and ground until the fineness is smaller than or equal to 100 mu m, and composite modified resin is obtained; (2) a curing agent is added, the mixture is evenly mixed, and a flame-retardant coating agent is obtained; (3) EPS pre-foam particles are added, the mixture is mixed, and surfaces of the EPS pre-foam particles are evenly coated with the flame-retardant coating agent; (4) the EPS pre-foam particles coated with the flame-retardant coating agent are placed in a mold, water vapor is introduced for secondary foaming, curing is performed, and the material is obtained. The preparation steps are simple and easy to implement, and raw materials are easy to obtain.

The invention provides a six-in-one prefabricated concrete outer wall panel and a production method thereof. The six-in-one prefabricated concrete outer wall panel comprises a hydrophobic self-cleaning coating layer, a flexible board, a crack-resistant mortar layer, a gridding cloth, a fireproof dry mixed mortar layer, a heat insulation board and a concrete board which are fixedly connected from outside to inside in sequence. Heat insulation nails are uniformly distributed on the heat insulation board, the end parts of one ends of the heat insulation nails are located in the heat insulation board, and the end parts of the other ends of the heat insulation nails are located in the concrete board. A plurality of strip-shaped through grooves with isosceles trapezoidal cross sections are formed in the lower surface of the heat insulation board, and the strip-shaped through grooves are arranged side by side and evenly distributed. Clamping blocks with isosceles trapezoidal cross sections are integrally arranged at the position, corresponding to the strip-shaped through grooves, on the upper surface of the concrete board, and the clamping blocks are embedded in the strip-shaped through grooves. The six-in-one prefabricated concrete outer wall panel adopts the closed design and has good fireproof performance; the strip-shaped through grooves and the heat insulation nails can increasethe bonding friction force between the heat insulation board and the concrete board after pouring concrete; and the six-in-one prefabricated concrete outer wall panel has the effects of load bearing,heat insulation, fireproof, waterproof, decoration and self cleaning.

The invention discloses a preparation method of an intumescent flame retardant synergist adopting saccharide derivatives and belongs to the technical field of flame retardant materials. The method comprises steps as follows: 1) a high-carbon graft polymer is prepared from chitosan graft polyacrylic acid; 2) N-acetylated chitosan graft polyacrylic acid is prepared, that is, solid chitosan graft polyacrylic acid is dissolved in an acetic acid aqueous solution, 1,2-propylene glycol is added, the mixture is left to stand at the room temperature for degassing for 1 days, and a degassed mixed liquid is obtained; an acetylated solution is slowly added to the degassed mixed liquid through a constant-pressure dropping funnel, the mixture is stirred at the room temperature to react for 5 h, the obtained solution is adjusted to be alkaline with 1 mol/L of sodium hydroxide after the reaction, and an N-acetylated chitosan graft polyacrylic acid aqueous solution is obtained; 3) solid N-acetylated chitosan graft polyacrylic acid, namely, the intumescent flame retardant synergist adopting saccharide derivatives, can be obtained through evaporative crystallization and drying. The preparation method adopts the simple and green process, and the prepared flame retardant synergist is efficient and environment-friendly.

The invention relates to a preparing method for fire-resistant glass fiber - aluminum alloy hybrid laminates. The hybrid laminates consist of fireproof film, glass fiber prepreg layer and aluminum alloy plate. The preparing comprises the following steps: coating a fireproof film, paving and curing molding. The fire retardant coating native resin is coated into a continuous fireproof film, and the fireproof film is led to the area between the glass fiber prepreg and the surface aluminum alloy plate. The thickness of the fire protection layer is 0.2 mm - 0.3 mm, with characteristics of fire resistance, which can effectively isolate the fire and heat shocks after fire. It can be used for aviation aircraft cabin cabinets, car fuel tank cover and other parts prone to fire.

The invention discloses a composite heat insulating material, which comprises an organic heat insulating material and a fireproof material on the surface of the organic heat insulating material, wherein the organic heat insulating material is selected from a polyphenyl plate, an extrusion molding plate and a polyether-urethane plate; the fireproof material is selected from one or more than one of cement mortar, rock mortar, coal ash and fireproofing agent; the fireproof material is compounded on the surface of the organic heat insulating material in a mode of spraying, coating, brushing or dipping and the like and is used for insulating heat for the wall body of a building, and the fireproof material can reach the A-level fireproof standard; the problem that the traditional building heat insulating material is in shortage can be solved, and the organic heat insulating material which is about to exit the heat insulating market gets a new life; production cost can be saved greatly, great social benefit is brought, and the dual standards of saving energy and preventing fire can be achieved.

The invention discloses a liquid nitrogen based firefighting and thermal insulation integrated vehicle-mounted liquid hydrogen storage tank integrated device and belongs to the technical field of vehicle-mounted liquid hydrogen storage tanks. The device comprises a liquid hydrogen storage tank, a liquid nitrogen storage tank and a fire preventing and fighting device, wherein an outer layer tank body of the liquid nitrogen storage tank is connected with an inner layer tank body of the liquid nitrogen storage tank through a cold bridge, so that the outer layer tank body of the liquid hydrogen storage tank is at the temperature close to the temperature of liquid nitrogen, and radiation heat transfer between the inner tank body and the outer tank body of the liquid hydrogen storage tank is reduced to the maximum; in addition, the liquid nitrogen storage tank is connected with a fire preventing and fighting module; when a hydrogen leaking instrument monitors that the hydrogen concentrationof a vehicle-mounted airtight space exceeds the safety allowable value, the fire preventing and fighting module is provided with a self-pressurization bypass branch, rapidly atomizes liquid nitrogen in the liquid nitrogen storage tank and sprays the atomized liquid nitrogen to the airtight space through a pressurization vaporizer and atomizing spray gun, utilizes large expanding volume and high heat absorption of liquid nitrogen gasification to rapidly squeeze out hydrogen in the airtight space and cool hydrogen, so that the purposes of fire prevention and fighting of the vehicle-mounted liquid hydrogen storage tank are realized.

The invention discloses a vermiculite mesh gel foam mud fire prevention and extinguishing agent. The key point of the technical scheme adopted by the invention lies in that the vermiculite mesh gel foam mud fire prevention and extinguishing agent is composed of a vermiculite composite flame retardant foaming agent, attapulgite pottery clay powder with an air purifying function, inorganic fiber spray coating cotton, expanded vermiculite powder, coal gangue powder, sodium alginate and water. The ingredients of the vermiculite mesh gel foam mud fire prevention and extinguishing agent are input into a rake type mixing machine to undergo high-speed stirring, thus obtaining the vermiculite mesh gel foam mud fire prevention and extinguishing agent. The mesh gel foam mud is sprayed to a burning coal layer by an inorganic fiber spray coating machine, thus facilitating generating an integral mesh gel foam mud film in a fire prevention and extinguishing process. The film can always cover and adhere to an ore bed surface to rapidly isolate the burning coal layer from air, prevent coal mine from keeping burning and avoid reburning of the coal layer, thus reaching the purposes of flame retardance and fire prevention and extinguishing. The vermiculite mesh gel foam mud fire prevention and extinguishing agent is suitable for fire prevention and extinguishing of coal mines, mine operation areas and forests.

The invention provides an exhaust gas treatment device and a gas exhausting device thereof. The gas treatment device comprises a liquid feeding pipe, a separating plate, a gas feeding channel, a gas exhausting channel and a plurality of guide parts, wherein the liquid feeding pipe comprises a plurality of nozzles for downwards injecting liquid inside; the separating plate is provided with a plurality of running holes through which liquid flowing from the nozzles passes; the gas feeding channel is used for absorbing the exhausted gas to be purified; the exhausting channel is used for exhausting the purified exhausted gas to the outside of the device; each guide part is fixedly connected to the lower surface of the separating plate; after the exhausted gas enters the device, the guide parts are used for adhering dust in the exhausted gas. The invention further discloses a gas treatment method. Compared with the prior art, the gas treatment device has the advantages the high temperature exhausted gas with dust is absorbed into the device; the dust is in contact with an iron chain and adhered to the iron chain; the dust on the iron chain can be flushed to the bottom part of the device through liquid flowing along the iron chain and then collected to a liquid draining opening, so that the dust removing and purifying functions are reached.

A cigarette able to prevent the fire accident caused by it features that a flexible tube which has one end easy to destroy and is full of the incombustible liquid is hidden in the tip filter. When the flexible tube is pressed by two fingers, its said end is destroyed and the liquid is flowing out to extinguish the fire of cigarette stump.

The invention discloses a fireproof paint formula and belongs to the technical field of buildings. The formula is prepared by mixing 45g of paint, 12g of zeolite powder, 25g of a mixture of chlorinated paraffin and antimony oxide, 16g of rosin resin and linseed oil, 5g of hydroxyethyl cellulose, 10g of fine asbestos, 2g of borax and 6g of mica powder. As the mixture of chlorinated paraffin and antimony oxide, asbestos and borax which have the main function of flame retardance are added into the paint, the safety coefficient in a paint using process is increased; the added mixture of rosin resin and linseed oil is safe and environmental-friendly.

The invention relates to the communication technology field and especially relates to a container-type data center. The container-type data center of the invention comprises a container and several cabinets. The cabinets are arranged in the container. An escape door lock is arranged on a door of the container. The escape door lock comprises a lock box fixedly arranged on the door. The lock box comprises a spring bolt and a push button. The spring bolt is connected with the push button. One end of the spring bolt is connected in the lock box through an elastomer. A doorframe of the container is provided with a groove. The other end of the spring bolt can be stretched into the groove. An air filter apparatus is arranged inside or outside of the container. Compared to the prior art, an escape door lock structure of the invention is simple. When there is an emergency in the container, work personnel only simply needs to push the push button so that the spring bolt is stretched out of the groove and then the door can be opened. The air filter apparatus of the invention can perform dehumidification and dehumidification, can prevent a short circuit and delay corrosion of the equipment so that a fire can be avoided, working place safety can be guaranteed and a service life of the equipment can be prolonged.

The invention relates to a bamboo wood fireproof gelatinizing agent and a preparation method thereof and belongs to the technical field of processing of gelatinizing agents. The bamboo wood fireproof gelatinizing agent is prepared from the following components in parts by weight: 55-75 parts of sodium silicate, 20-40 parts of potassium silicate, 0.5-4 parts of triethanolamine, 0.5-3 parts of dimethicone, 0.001-0.5 part of an OP-10 emulsifier and 0.001-0.05 part of hydrochloric acid. The bamboo wood fireproof gelatinizing agent has the beneficial effects that the bamboo wood fireproof gelatinizing agent can keep non-combustible for 4-5 hours at 800 DEG C and does not release toxic and harmful gas at a high temperature.

The invention discloses a preparation method of a fireproof door filling material. The preparation method of the fireproof door filling material comprises the following components in parts by weight: 0.2 to 0.6 part of an intumescent flame retardant, 10 to 30 parts of hexabromocyclododecane, 2 to 9 parts of a cosolvent, 15 to 25 parts of zinc borate, 0.1 to 3 parts of color masterbatches, 20 to 40 parts of hydroxide, 1 to 10 parts of antimonous oxide, 15 to 20 parts of flame-retardant polyether and 0.05 to 0.5 part of a coupling agent. At least one expansible graphite coating layer is provided, the expansible graphite coating layer is heated to form an expanded carbon layer, and a space formed during installation of a fireproof blocking material is full of the expanded coating, and heat and flame can be effectively prevented from spreading, so that the aim of fire retardance is fulfilled; meanwhile, the used self-made flame-retardant polyether is prepared from bromide, polyether and a catalyst under a microwave environment by performing high-temperature, high-air-pressure and high-voltage environment reaction for 3 hours. At high temperature, semi-free-state bromine ions catch high-temperature decomposition activity groups H<+> and OH<-> to generate a stable group, and the reaction continues till decomposition of PA high polymer is finished. The concentration of combustible gases is effectively reduced, so that the aim of inhibiting generation of open fire is fulfilled.

The invention discloses a pre-buried double-pipe stepping type goaf nitrogen injection method which comprises the following steps: firstly, determining the length of an oxidation heating zone of a goaf, enabling the oxidation heating zone to move forwards along with the recovery of a fully mechanized coal mining face, and laying two nitrogen injection pipes in front of and behind a whole recovery air inlet roadway, namely a first nitrogen injection pipe and a second nitrogen injection pipe. The two nitrogen injection pipes are respectively connected with a nitrogen injection source through valves outside a mining stopping line of a working face, and the two nitrogen injection pipes move forwards to oxidize a heating zone to perform double-pipe stepping type nitrogen injection along with pushing mining of the working face, so that the spontaneous combustion phenomenon of residual coal in a goaf can be avoided, the fire extinguishing effect is achieved, and the purpose of preventing and extinguishing fire is achieved. Smooth operation of a coal face is guaranteed, the safety coefficient of coal mining operation is improved, two pipelines are directly buried at a time, stepping alternating type nitrogen injection is carried out, and the problems that a conventional nitrogen injection pipeline is difficult to install and recycle, prone to breakage and short in working time are solved.