350results about How to "Improve fire safety" patented technology

The design and attachment of an insulation package according to an exemplary embodiment, which may be installed near the fuselage structure, is believed protect the cabin region of an aircraft against fire whose flames act on the insulation package from outside the aircraft environment, thus clearly facilitating evacuation of the passengers from the vehicle. The insulation package arrangement may comprise several fuselage insulation packages of an elongated form. These packages may adjoin the aircraft fuselage structure in the direction of the longitudinal axis of the aircraft. They may longitudinally adjoin a support surface of the stringers which are attached to the aircraft fuselage, or longitudinally adjoin an inner area of a panel of outer skin and are attached to both longitudinal sides of the ribs. Furthermore, those insulation packages may be completely enclosed by a burn-through-proof foil which is arranged in a space enclosed by interior paneling and by the panels of the outer skin. The design of a fuselage insulation package may be implemented with burn-through-proof insulation of a larger cross section and / or a burn-through-proof barrier layer of a smaller cross section which are arranged within the fuselage insulation package either singly or in combination. In this arrangement, the insulation or the barrier layer extends near to or adjacent to an interior wall region of the foil wall. As an alternative only that insulation which on the longitudinal end of the fuselage insulation package continues outward with a flat insulation end section is attached outside of and adjacent to the foil circumference of the fuselage insulation package. Said end section of insulation is attached to a rib-attachment region which is arranged below the respective longitudinal sides of a rib and near the stringer by means of burn-through-proof attachment elements.

A continuous drying kiln (CDK) design, in which two sets of carriages carrying spaced stacks of lumber travel in opposite directions through a sequence of chambers in which green lumber is exposed to heated air to dry the lumber to desired conditions. The continuous drying kiln using fans in each chamber to circulate air across the stacked lumber on the two sets of carriages, orthogonal to the direction of carriage travel, in either a first circulation direction or in a second circulation direction. As a carriage moves from chamber to chamber, the circulation direction is reversed.

The online fire plan system includes a data entry, storage and retrieval module, and a fire plan wizard for guiding a user through the data entry, storage and retrieval. The data entry storage and retrieval module includes a web page layer, a business layer, and a data layer.

The invention relates to a vegetation support (10) consisting of a mat of entangled organic fibers (14) which form said vegetation support (10). A substrate (20) is introduced into the hollow spaces of the mat (12) and a plant material (22) able to germinate, especially seeds, spores, sprouts or the like, is planted on an upper side (16) of the mat (12). The fibers (14) of the mat (12) are secured against detachment from the mat (12). The inventive vegetation support (10) is characterized in that the mat (12) fibers (14) are coconut fibers and that a plant-compatible binding agent (28) is used to prevent the fibers (14) from becoming detached from the mat (12). The binding agent is applied to the surfaces of at least a part of the fibers (14) and ensures that the fibers (14) of the mat (12) are at least partly glued to each other.

The invention discloses a homogeneous non-combustible polyurethane foam heat insulating material and a preparation method thereof. The heat insulating material is prepared by reacting the following raw materials in parts by weight: 6~20 parts of polyurethane rigid foaming material, 4~20 parts of flame retardant and 60~90 parts of inorganic filler, wherein the loose packing density of the inorganicfiller is 1.0~2.0 g / cm<3>. The heat insulating material prepared by the invention has overall density between 120 and 800 kg / m<3>, compressive strength being greater than and equal to 0.10 MPa, highmechanical strength, good durability, total heat value being smaller than and equal to 3.0 MJ / kg, combustion growth rate index being smaller than and equal to 120 W / s and 600 s total heat release ratebeing smaller than and equal to 7.5 MJ, and belongs to A2 grade non-combustible material, and has high fire-proofing safety and simple preparation process, and can realize industrial production.

The invention discloses a flame-retardant polyolefin resin composition and a preparation method thereof, and a flame-retardant tubular product prepared from the flame-retardant polyolefin resin composition. The flame-retardant polyolefin resin composition disclosed by the invention comprises the following components in parts by weight: 100 parts of polyolefin resin, 30-85 parts of antimony bromine composite flame retardants, 2-20 parts of resin modifiers and 0.3-1.5 parts of processing agents. The tubular product prepared from the flame-retardant polyolefin resin composition disclosed by the invention has the advantages of being high in heat resistance (the vicat softening temperature of the material can be up to over 140 DEG C), high in flame retardant property (the oxygen index is greater than over 32), good in hot water resistance, low temperature resistance and long-term static hydraulic performance, long in service life, free of scaling and the like, the vertical combustion can be up to V0 grade, the smoke density SDR is smaller than 75, the damaged tubular product caused by external force can be connected in a hot melting manner, and the flame-retardant tubular product can be applied to products such as a central air conditioning pipe system, industrial water supply and drainage pipelines and the like.

The invention discloses an exterior wall external insulation composite wall body with a support, relates to a building insulation composite wall body and aims to solve the problem of a large number of thermal bridges in the conventional insulation wall. A first structure of the composite wall body is that: a concrete cantilever beam supporting member is fixed in a main body structure of a building; an insulating layer is positioned outside a substrate wall body; a vertical reinforced steel bar is arranged outside the insulating layer and welded with an embedded steel plate of the concrete cantilever beam supporting member; a metal mesh is fixed with the vertical reinforced steel bar; a door and a window are arranged on insulating layers on openings; protective layers are formed outside the insulating layer and on the insulating layers on both sides of the door and the window; and the vertical reinforced steel bar and the metal mesh are positioned in the protective layers. A second structure of the composite wall body is that: the concrete cantilever beam supporting member is fixed in the main body structure of the building; profile steel is welded at the outer end of the concrete cantilever beam supporting member; a decorating large plate protective layer is fixed with the profile steel; and an insulating layer is formed between an external decorating large plate protective layer and a substrate wall body. The composite wall body has the advantages of capacity of reducing the thermal bridges in a large scale, best insulating effect, safe external protective layer and decorating surface layer, high fire resistance, high durability, simple structure and convenient construction.

The invention relates to a battery cooling method and a battery cooling device, in particular to liquid-nitrogen cooling method and device for an automotive power battery pack. The liquid-nitrogen cooling method for the automotive power battery pack includes directly releasing liquid nitrogen to the surface of the power battery pack and a casing of each battery cell to convert the liquid nitrogen into gas nitrogen, and cooling the surface of the power battery pack and the casing of each battery cell by absorbing a substantial amount of heat in process of converting the liquid nitrogen from liquid into gas. The liquid-nitrogen cooling device for the automotive power battery pack comprises a liquid nitrogen tank (1), a cooling container (8), a connecting pipeline (19), a cooling passage (20), a nitrogen exhaust port (9) and the like. The liquid nitrogen tank (1) is communicated with the cooling passage (20) arranged in the cooling container (8) through the connecting pipeline (19). The liquid-nitrogen cooling method and device for the automotive power battery pack are good in cooling effect, free of consumption of electric energy of the power battery pack, environment-friendly and energy-saving. The cooling method is simple and easy to implement. The cooling device is small in size, the structure is simple and stable, noise and vibration can be avoided, cooling stability is good, and safety is high.

A horizontal automatic cycle tooling plate vertical conveyor comprises two groups of single chain tooling plate lifting conveying sections, two groups of fireproofing devices, two groups of double chain tooling plate lifting conveying sections, a lift car, a lift car guide wheel assembly, a machine frame, a bottom driven sprocket, a bottom anti-collision device, two groups of vertical conveying drive chains, lift car guide rails, a top anti-collision device, a top drive sprocket, a main drive motor, a double chain tooling plate lifting conveying section in the lift car, a photoelectric detection group and a tooling plate group. The horizontal automatic cycle tooling plate vertical conveyor improves the warehouse fireproofing safety and reduces the fire damage to devices and goods effectively; can achieve automatic goods conveying and automatic management of the conveying process; omits a carrying device in the goods conveying process to reduce conveying cost; reduces labors in the conveying process; improves the efficiency and the safety, and reduces the damage to goods; has a compact structure, occupies small areas, and improves the land utilization rate; and achieves vertical conveying of a variety of goods, and solves the problem of three-dimensional storing of certain goods.

The invention provides an electrical insulation heat-conductive fireproof material. The material comprises following components in percentage by weight: 23% to 70% of plastic substrate material; 20% to 50% of a fireproof material, which at least comprises magnesium hydroxide; 20% to 50% of a heat-conductive material, which at least comprises silicon carbide and a far infrared heat-conductive material; less than 7% of an addictive, which at least comprises a flexibilizer. Because a fireproof material and a heat-conductive material are added in to the plastic substrate material, in the state of electrical insulation, the material has high heat conductive and fireproof safe effects, the cost is low, and the material is capable of being applied to the products, which need to rapidly conduct the heat.

The invention discloses a highly flame-resistant external wall heat preservation material and a process for producing the same, which are mainly used for the construction of isolation belts and the heat preservation of high-rise buildings and building bodies with relatively higher requirement on fire-protection rating. According to the process, the highly flame-resistant external wall heat preservation material is produced by taking modified phenol aldehyde resin with low hydroxyl content as a raw material and performing low-acid curing on the modified phenol aldehyde resin. The modified phenol aldehyde resin with the low hydroxyl content is prepared by heating phenol, formaldehyde, a modifier and chopped glass fiber firstly under an acidic condition and then under an alkali condition and then performing copolymerization and condensation on the phenol, the formaldehyde, the modifier and the chopped glass fiber. The modified phenol aldehyde resin with the low hydroxyl content, a surfactant, a gas foaming agent, a modified moisture repel and an organic acid catalytic system are cured and molded on a continuous line. The highly flame-resistant external wall heat preservation material has the following advantages that: a terminal hydroxyl group of the adopted phenol aldehyde resin is closed, so the water absorbing capacity of the material is reduced; the cured molding material has high strength and low acidity; the service life of the material is prolonged and simultaneously convenience is provided for construction; the highly flame-resistant external wall heat preservation material has excellent flame resistance, lower smoke density and a higher oxygen index; and fire protecting safety property in a construction and use process is greatly improved due to the non-smoldering property of the highly flame-resistant external wall heat preservation material.

The fuselage according to an exemplary embodiment is conceived in such a way as to prevent the spread of flames produced by a source of fire and acting on the fuselage from outside the aircraft environment. The fuselage concept takes into account materials or material combinations that will scarcely allow protection of the cabin area of an aircraft (upon emergency landing) to be violated by flames spreading from outside the aircraft environment, which may facilitate an evacuation of passengers from the aircraft. An aircraft fuselage, whose fuselage structure, in addition to other structural elements that are components of the mechanical strength bracing of the fuselage and help absorb its forces, encompasses an exterior skin consisting of various respective materials, which are designed to be resistant to shear, and incorporated as a bearing element into the mechanical strength bracing to absorb and transfer the forces and torques acting thereupon. The exterior skin is fabricated from a burn-through resistant semi-finished material consisting of a non-metallic material or a fireproof metallic material, wherein the semi-finished material can be molded through further processing. Also, the exterior skin may be realized by a semi-finished material combining a non-metallic material and a metallic material, wherein the produced exterior skin product is a hybrid material that can be molded and joined through further processing.

The present invention provides a flame retardant environmentally friendly adhesive, and the raw materials comprise magnesium sulfate, magnesium chloride, water, magnesium oxide, sodium dihydrogen phosphate, boric acid, and methyl cellulose. The flame retardant environmentally friendly adhesive is a formaldehyde-free environmentally friendly inorganic adhesive, not only has flame-retardant effect, but also can make a plant fiberboard highly stable in fiber structure and high in mechanical properties, and also allows the plant fiberboard to have waterproof, moistureproof, fireproof, rot-resistant, pest control and other functions; in addition, the flame retardant environmentally friendly adhesive has readily available raw materials, and cheap in price, so that the production cost of the flame retardant environmentally friendly adhesive is relatively low. The present invention also provides a producing method of the plant fiberboard by use of the flame retardant environmentally friendly adhesive.

The chemical composition of waterproof coiled material is composed of linear low density polyvinyl resin, light shielding agent, antioxygen, dispersing agent, stick-supporting agent and fire resisting masterbatch. The present invention can raise fire fighting safety of the waterproof coiled material.

Provides are a novel expanded perlite insulation board and a preparation method thereof. The novel expanded perlite insulation board is mainly prepared by raw materials of 50%-80% of expanded perlite, 10%-40% of inorganic adhesive and organic adhesive, 0%-10% of fiber and 0%-10% of property-modifying additive. The novel expanded perlite insulation board uses a compression molding process and is high in production efficiency, good in size stability and low in production cost. The novel expanded perlite insulation board has excellent fireproofing safety to overcome shortcomings of poor fireproof performance, ageing resistant and environment pollution; and has excellent waterproofness and low thermal coefficients to overcome a shortcoming that a common inorganic insulation material is large in thermal coefficient and strong in water absorbability. The novel expanded perlite insulation board has excellent heat insulation performance, can achieve thermal insulation performance levels of the organic material, simultaneously has non-ignitable performance of the inorganic material, is good in durability and weather fastness, can achieve same service life of buildings, solves the problem that service life of an organic board is short, and is favorable for energy saving and environmental protection. The service life of the organic board can be asynchronous with the building.

The invention discloses a high-flash-point screen printing ink cleaning agent, which consists of the following ingredients in percentage by volume: 15 to 60 percent of dipropylene glycol, 20 to 75 percent of C6-C9 ester and 10 to 25 percent of oleic acid. The high-flash-point screen printing ink cleaning agent can be used at normal temperature, the efficiency is high, the energy is saved, the flash point is high, the safety performance is high, the cleaning is thorough, the pollution is small, the toxicity is low, the harm to the human body is small, in addition, the preparation is easy, and no damage is caused on printing screens.

A door is constructed with a separate member joined to the door edge by a tongue-and-groove coupling and screws so as to be readily removable and replaceable. The separate member sustains the impacts imparted to the door by carts or wagons pushed past the door and can be readily replaced when damaged, thus avoiding replacement of the entire door. A flexible cover snaps over the outer surface of the separate member to add impact resistance and aesthetic appeal. Intumescent strips may be inserted inside or outside of the cover to enhance sealing between the door, and at the adjacent door or door frame, thereby improving the fire resistance rating of the door. Accent strips or reveals of contrasting or complementary colors may be incorporated to add to the aesthetic appeal of the door. The door construction is of particular utility in schools, health care facilities and other institutions.

The present invention provides an inorganic fireproof insulation board and a manufacturing method and application thereof, wherein the inorganic fireproof insulation board comprises glass beads, sodium silicate, a water repellent, water, calcium carbonate powder and hydroxymethyl cellulose; the preparation process comprises raw materials preparing, mixing and stirring, pressing and molding, drying and packaging etc. The inorganic fireproof insulation board provided by the present invention can be applied in an external thermal insulation system, and has advantages of good effects of heat-preservation, insulation and energy saving, excellent fire-resistant performance and weathering resistance, high cost-performance radio, superior anti-cracking and water-resistance, convenient and rapid construction, and is comfortable and environment-protective.

A door is constructed with a separate member joined to the door edge by a tongue-and-groove coupling and screws so as to be readily removable and replaceable. The separate member sustains the impacts imparted to the door by carts or wagons pushed past the door and can be readily replaced when damaged, thus avoiding replacement of the entire door. A flexible cover snaps over the outer surface of the separate member to add impact resistance and aesthetic appeal. Intumescent strips may be inserted inside or outside of the cover to enhance sealing between the door, and as adjacent door or door frame, thereby improving the fire resistance rating of the door. Accent strips or reveals of contrasting or complementary colors may be incorporated to add to the aesthetic appeal of the door. The door construction is of particular utility in schools, health care facilities and other institutions.

The invention discloses a light steel composite plate assembled house. The house comprises a foundation, wall plates, floor plates and connecting profiles with grooves. The connecting profiles comprise foundation connecting profiles, wall plate connecting profiles and floor plate connecting profiles. The foundation connecting profiles are fixed on the house foundation, the wall plate connecting profiles are vertically fixed on the foundation connecting profiles, and bottoms of the wall plates are inserted and fixed in grooves of the foundation connecting profiles; the top ends of the wall plate connecting profiles are fixedly connected with the floor plate connecting profiles, and the tops of the wall plates are inserted and fixed in grooves of bottoms of the floor plate connecting profiles; and the floor plates are connected with the floor plate connecting profiles in an inserting or lap joint mode. The light steel composite plate assembled house has the advantages that a mixed structural system formed by the connecting profiles (a light steel structure can be selected) and the wall plates and the floor plates made of high-strength composite insulating plates is provided, parts such as outer wall plates, inner wall plates and the floor plates are effectively integrated with the connecting profiles serving as building unit plate connecting members, and a single-story or multi-story building house is formed.

according to an exemplary embodiment, which may be installed near the fuselage structure, is believed protect the cabin region of an aircraft against fire whose flames act on the insulation package from outside the aircraft environment, thus clearly facilitating evacuation of the passangers from the vehicle. The insulation package arrangement may comprise several fuselage insulation packages (19-22) of an elongated form. These packages may adjoin the aircraft fuselage structure in the direction of the longitudinal axis (9) of the aircraft. They may longitudinally adjoin a support surface (31a) of the stringers (31) which are attached to the aircraft fuselage, or longitudinally adjoin an inner area (33a) of a panel of outer skin and are attached to both longitudinal sides of the ribs (32). Furthermore those insulation packages (19-22) may be completely enclosed by a burn-through-proof foil (11) which is arranged in a space enclosed by interior paneling and by the panels of the outer skin. The design of a fuselage insulation package may be implemented with burn-throughproof insulation of a larger cross section and / or a burn-through-proof barrier layer of a smaller cross section which are arranged within the fuselage insulation package either singly or in combination. In this arrangement, the insulation or the barrier layer extends near to or adjacent to an interior wall region of the foil wall. As an alternative only that insulation which on the longitudinal end of the fuselage insulation package continues outward with a flat insulation end section is atteched outside of and adjacent to the foil (11) circumference of the fuselage insulation package (19-22). Said end section of insulation is attached to a rib-attachment region which is arranged below the respective longitudinal sides of a rib (32) and near the stringer (31) by means of burn-through-proof attachment elements (4, 13).

The invention provides an energy-saving heat-insulating wall body, relates to a building wall body and aims at solving the problems that the fireproof performance of thin-plaster heat-insulating wall bodies is not good, the durability is poor, the amount of window heat bridges is great and the like. The energy-saving heat-insulating wall body structurally comprises a base layer wall body, a heat-insulating layer, anchor bolts and an external protection layer, wherein the external protection layer is a prefabricated protection layer; the prefabricated protection layer is a prefabricated plate protection layer or a prefabricated plaster protection layer; the external protection layer, the heat-insulating layer and the base layer wall body are sequentially arranged from the outer side to the inner side of the energy-saving heat-insulating wall body; the anchor bolts penetrate through the external protection layer and the heat-insulating layer to fix the external protection layer and the heat-insulating layer on the base layer wall body. An internal protection layer is further installed on the inner side of the heat-insulating layer of a prefabricated heat-insulating board to form a prefabricated heat-insulating wallboard, and the prefabricated heat-insulating wallboard is installed on the outer side of the base layer wall body or a building main body structure to form a fully assembled and mounted energy-saving heat-insulating wall body. The energy-saving heat-insulating wall body has the advantages that the wall body is fireproof and safe and is convenient to install, the durability is good, the energy saving and heat insulating performance is good, and the energy saving and emission reduction of the building and the control of the greenhouse effect are facilitated.

The invention aims to provide an intelligent fire safety assessment method and device for a building, and the method comprises the steps: obtaining a to-be-detected index of a target building, and enabling the to-be-detected index to comprise the basic information of the target building and the equipment information of current fire-fighting equipment; Matching the to-be-detected index with a safety standard to obtain a matching result; Calculating a target value of the to-be-detected index according to the matching result; Screening and statistical analysis are carried out on the to-be-detected indexes to determine unqualified indexes, and abnormal item values are determined according to the unqualified indexes and the corresponding weight information; And determining the fire safety stateinformation of the target building according to the target value and the abnormal item value. Hidden dangers are rectified in time according to the fire safety state information, the building fire safety condition is effectively improved, and the fire hidden danger processing efficiency is improved.

The invention discloses a preparation method of a desulfurized gypsum foaming cement warming plate. The desulfurized gypsum foaming cement warming plate comprises 150-180kg of ordinary portland cement, 50-80kg of fly ash, 5-10kg of desulfurized gypsum, 0.4-0.8kg of a water reducer, 0.5-1.0kg of polypropylene fibers, 13.0-18.0kg of a foaming agent, 0.75-1.0kg of a composite foam stabilizer and 80-120kg of water. The preparation method of the desulfurized gypsum foaming cement warming plate comprises the following steps of 1, well mixing weighed powdered materials according to a formula by adding ordinary portland cement, fly ash, desulfurized gypsum, the water reducer, polypropylene fibers and the foam stabilizer into a mixer and carrying out stirring to obtain a uniform mixture, and 2, adding water into the mixture, carrying out stirring for 2-3min, adding the foaming agent into the mixture, carrying out fast stirring for 5-10s, immediately pouring the mixture into a mold, carrying out foaming and maintenance, carrying out demolding, carrying out cutting, and maintaining the finished product. The desulfurized gypsum foaming cement warming plate has good compressive strength and a low heat conduction coefficient. The preparation method has simple processes. The desulfurized gypsum foaming cement warming plate has a low investment cost, environmental friendliness and a low cost.

The invention relates to the technical field of polyurethane foam, and more specifially relates to a modified graphite flame retardant, all-water-blown polyurethane foam prepared from the modified graphite flame retardant, and a preparation method of the all-water-blown polyurethane foam. The modified graphite flame retardant is characterized by consisting of modified expandable graphite and a dispersion suspending agent, wherein the modified expandable graphite is formed by adsorbing one or more layers of a high molecular surface modifier with special functional groups on the surface of expandable graphite; the all-water-blown polyurethane foam is composed of a polyether polyol, a polyester polyol, a catalyst, silicone oil, the modified graphite flame retardant, a synergistic flame retardant, a foaming agent, a stabilizer and a polyisocyanate. The all-water-blown polyurethane foam is prepared by the following steps: (1) preparing modified expandable graphite; (2) preparing the expandable graphite flame retardant; and (3) preparing the all-water-blown polyurethane foam. The obtained all-water-blown polyurethane foam has the advantages of favorable flame retardancy, long-lasting flame-retardant effect, low addition amount, greatly increased oxygen index, greatly reduced heat release rate peak value and the like.