39results about How to "To achieve the fire effect" patented technology

The invention discloses an anti-explosion protection box for a center coupling of a cable. The protection box comprises two shells, wherein the shells can be abutted and are of a semicylindrical shape respectively; both ends of each shell are provided with necked parts; each necked part is provided with a through hole for enabling the cable to pass through; the middle section and both the ends of each shell are correspondingly provided with a plurality of fastening grooves; the shells are abutted and fixed by fastening rings positioned in the fastening grooves; flame-retardant thermal insulating layers are arranged between the shells and the cable; the inner wall of each through hole is of a cutting groove shape; sealing rings are arranged in the through holes. The anti-explosion protection box for the center coupling of the cable is designed for the common potential safety hazard in the installing and using processes of the center coupling of the cable and has excellent properties such as explosion resistance, waterproofness, fire resistance, corrosion resistance and long service life.

The invention discloses an automatic fire extinguishing device for a fume hood, which comprises a cabinet provided with a workbench, a ventilation pipe and ventilation equipment, a window plate assembly in front of the cabinet, first and second detection elements and an automatic fire extinguisher installed on the top edge of the workbench , the ventilation equipment contains a fire baffle, when a fire occurs on the workbench due to the experiment, the first detection element will immediately send out an audible or flashing alarm after detecting the fire signal, turn off the ventilation equipment, close the ventilation pipe by closing the fire baffle, and the second detection When the component detects a smoke or high temperature signal, close the window panel assembly, automatically activate the automatic fire extinguishing equipment to extinguish the fire, prevent the smoke or flame from entering the ventilation pipe and cause the fire to spread, and prevent the fume hood from causing a series of fires, so that the fume hood can achieve the actual fire prevention effect .

The invention discloses a fireproof profile of a steel framework. The fireproof profile comprises a first steel thin-wall specially-shaped pipe and a second steel thin-wall specially-shaped pipe, wherein the whole first steel thin-wall specially-shaped pipe is of a rectangular frame structure, and convex ridges are arranged at two top corners, which are positioned at the lower side, of the rectangular frame structure; the second steel thin-wall specially-shaped pipe is arranged above the first steel thin-wall specially-shaped pipe; the whole second steel thin-wall specially-shaped pipe is of a rectangular frame structure, and a groove is inwards sunken in a top corner, which is positioned at the upper side, of the rectangular frame structure; the first steel thin-wall specially-shaped pipe and the second steel thin-wall specially-shaped pipe are connected through a butt-joint column; a fireproof asbestos block is arranged in a space between the first steel thin-wall specially-shaped pipe and the second steel thin-wall specially-shaped pipe. The fireproof profile of the steel framework is light in weight, high in intensity, fireproof, erosion-resistant, anti-impact and high in safety.

The invention relates to the technical field of gas pipeline fire prevention, in particular to a pipeline coating and a preparation method thereof. The pipeline coating is prepared from MOFs, vermiculite, an organic solvent and a bonding agent. The preparation method of the pipeline coating comprises the steps of dissolving the MOFs powder in the organic solvent to obtain a settled solution; adding vermiculite powder into the settled solution to obtain suspension liquid; adding the bonding agent into the suspension liquid and conducting spray granulation to obtain powder; spraying the powder onto the surface of a pipeline through a plasma spraying method to form the pipeline coating. The connection strength of the coating and metal is reinforced through powerful chemical bonds formed between the MOFs and the metal, and the phenomenon of powder stripping of the coating is avoided. As the MOFs is formed by arranging long-rage ordered crystal grains in microstructure, the pipeline coatinghas the good compactness, and the problem of cracking of the coating is solved. Meanwhile, through combination with the vermiculite, the pipeline coating can release crystal water contained in vermiculite layers when heated, thereby achieving the fire prevention effect.

The invention discloses an artificial fiber fabric with a fireproof function, and relates to the technical field of artificial fiber fabrics. The fabric specifically comprises a fiber fabric inner layer, a non-woven fabric layer and a fiber fabric outer layer, the fiber fabric outer layer and the fiber fabric inner layer are arranged on the upper surface and the lower surface of the non-woven fabric layer respectively, a first fireproof coating is arranged on the bottom surface of the fiber fabric inner layer, and a second fireproof coating is arranged on the top surface of the fiber fabric outer layer. The non-woven fabric layer is used as a base layer, the non-woven fabric layer is made of polypropylene, polymethyl methacrylate and carbon fibers, and the fiber fabric inner layer and thefiber fabric outer layer are arranged on the two sides of the non-woven fabric layer; the fiber fabric outer layer and the fiber fabric inner layer are prepared by blending modified aramid fibers andpolylactic acid fibers and blending with flame-retardant carbon fibers, filaments and an organic flame retardant; and therefore, the fireproof effect is achieved fundamentally.

The invention discloses a fire door comprising a door frame, door sashes arranged in the inner sides of the door frame, fire door closers mounted on the tops of the door sashes, fireproof hinge chains arranged between the door sashes and the door frame, square through holes formed in the middle of the door body, a fireproof door lock mounted on one door sash, fireproof latches arranged on the top and bottom parts of the door sashes and a fireproof syn-position device mounted on the door sash on the other side of the door closer. Composite heat-insulating fireproof glass is placed on the inner side of each square through hole. With a combination between a fire door core plate and door sash panels, the composite heat-insulating fireproof glass on the door sashes and expansion sealing members on corners, tightness of the fire door can be guaranteed and fire prevention effect can be achieved.

The invention discloses a transformer fireproof device with a heat dissipation function. The transformer fireproof device comprises a transformer box body and a mounting base located at the bottom endof the transformer box body. The transformer box body is of a cavity structure with a lateral opening. A fireproof mechanism is arranged at the top end in the transformer box body; the fireproof mechanism comprises a first connecting block and a second connecting block which are transversely arranged and symmetrically arranged on the two sides in the transformer box body, chutes are formed in thesides, close to each other, of the first connecting block and the second connecting block, a telescopic plate connected with the two chutes is arranged in the transformer box body, and an obliquely-arranged movable rod is arranged at the bottom end of the telescopic plate. The transformer fireproof device has the beneficial effects that when the telescopic plate stretches out and draws back, sandcan leak out of the bottom of a compartment, fire is extinguished, and the fireproof effect is achieved; the interior of the transformer box body communicates with the outside, so that explosion is prevented; and due to the design of a heat dissipation mechanism, the temperature generated by the heating body is reduced, and heat in the transformer can be reduced.

The invention provides fireproof coating for a floor. The fireproof coating for the floor is characterized in that the coating is prepared from the following ingredients, in parts by weight: 40-60 parts of acrylic emulsion, 20-40 parts of silicone-acrylic emulsion, 4-8 parts of vermiculite powder, 5-10 parts of superfine dolomite, 8-16 parts of flame retardant, 0.4-0.8 part of wetting dispersing agent, 0.3-0.6 part of leveling agent and 18-24 parts of filler, wherein the flame retardant is mainly prepared from nano silicon dioxide, polyalcohol phosphate ester and a silane coupling agent. The fireproof coating has the good heat insulation and fireproof performance, and is environmentally friendly.

The invention relates to a fire-fighting fireproof door, in particular to a fire-fighting fireproof door capable of being rapidly replaced. The invention provides the fire-fighting fireproof door which is convenient to mount and dismount and can be quickly replaced. A fire-fighting fireproof door capable of being rapidly replaced comprises a door frame and a replacing mechanism, and the replacing mechanism is arranged on the door frame; the first door plate is rotationally arranged on the left side of the replacement mechanism; the second door plate is rotationally arranged on the right side of the replacement mechanism, and the first door plate and the second door plate can be detached; the door lock is arranged in the middle of the left side of the second door plate; and the locking mechanism is arranged at the lower part of the door frame. After the first door plate and the second door plate are closed, the first door plate and the second door plate are locked through the door lock, fire and smoke can be blocked behind, the fireproof effect is achieved, and the first door plate or the second door plate can be rapidly detached by pushing the first sliding plate upwards and can be conveniently replaced.

The invention discloses a manufacturing process and a manufacturing formula of a high-strength fireproof and moistureproof tray, and relates to the technical field of trays. The manufacturing formula comprises the following components in parts by weight: 25 to 15 parts of magnesium oxide, 20 to 10 parts of magnesium chloride, 20 to 10 parts of magnesium sulfate, 10 to 1 part of glass fabric, 20 to 10 parts of sawdust, 20 to 10 parts of rice husk, 15 to 5 parts of straw, 2 to 1 part of perlite, 2 to 1 part of iron oxide color paste and 2 to 1 part of iron oxide toner. The magnesium chloride and the magnesium oxide are added into the formula of the tray, so that the heat resistance of the tray can be improved, and the tray achieves a fireproof effect; and the glass fabric, the iron oxide color paste and the perlite are added into the formula of the tray, so that on the one hand, the water resistance of the tray can be improved, and the tray achieves a moistureproof effect, on the other hand, breeding of microorganisms and bacteria on the surface of the tray can be reduced, and then the tray mildewing condition is reduced.

The invention discloses an antirust and flame-retardant metallic paint, which is mainly prepared from the following components: A) 98-103 parts by weight of iron oxide red powder; B) 48-53 parts by weight of aluminum tripolyphosphate; C) 78-83 parts by weight Parts of composite iron-titanium powder; D) 23-28 parts by weight of rutile titanium dioxide; E) 73-78 parts by weight of heavy calcium carbonate; F) 198-213 parts by weight of water; G) 28-33 parts by weight of propylene glycol; H) 18-23 parts by weight of film-forming aid; I) 398-403 parts by weight of metal paint emulsion; J) 7-12 parts by weight of leveling agent; K) 10-15 parts by weight of rheology agent; L) 0.5-4 Parts by weight of defoamer DK-3; M) 1-5 parts by weight of defoamer CF-16. The beneficial effects of the present invention are: no waste water and waste gas are produced during the preparation process, and it has environmental protection performance; and the combination of red iron oxide powder, aluminum tripolyphosphate and composite iron-titanium powder in the components can achieve a good function of rust prevention and rust prevention , and has non-toxic characteristics, it will not pollute the environment during production and use, and will not damage the health of production personnel and construction operators; the metal paint emulsion in the components can withstand high temperatures up to 800 ° C, so that Make the coating have high flame retardancy, so as to achieve fireproof effect.