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

Anti-explosion protection box for center coupling of cable

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.
Owner:ZHUHAI PULI YONGXIN ELECTRIC POWER EQUIP CO LTD

Split sandwich heat-insulation wall combined type connecting piece

The invention discloses a split sandwich heat-insulation wall combined type connecting piece comprising cylindrical end heads, an internal clamping disc, an external clamping disc and a three-sectiontype connecting rod. A steel wire mesh is mounted between the external cylindrical end head and an internal baffle, and the external cylindrical end head and the internal baffle are connected to one end of one of the connecting rod bodies, and the other end of each connecting rod body is connected into internal-thread threaded through holes in the center line of the corresponding clamping disc toform an external concrete layer, and an EPS formwork is clamped between the clamping discs; through connection of the connecting rod bodies, the internal clamping disc is connected with the external cylindrical end head through the connecting rod bodies, an internal concrete layer is formed between the internal clamping disc and the external cylindrical end head, and the whole connecting piece isfixed to an inner side formwork through the internal cylindrical end head and the external cylindrical end head. The split sandwich heat-insulation wall combined type connecting piece is simple in structure, convenient and fast in dismounting and mounting, firm in suspending, and low in manufacturing cost.
Owner:山东金富地新型建材科技股份有限公司

Flame-retardant coating for floor

InactiveCN108753081AImproves Strength and ToughnessPrevent high temperature crackingFireproof paintsThermal insulationDolomite
The invention provides a flame-retardant coating for a floor. The flame-retardant coating is characterized by being prepared from components in parts by weight as follows: 40-60 parts of an acrylic emulsion, 20-40 parts of a pure acrylic emulsion, 4-8 parts of vermiculite powder, 5-10 parts of superfine dolomite, 8-16 parts of a flame retardant, 0.4-0.8 parts of a wet dispersant, 0.3-0.6 parts ofa levelling agent and 18-24 parts of filler, wherein the flame retardant is mainly prepared from graphene oxide, multi-carbon nanotubes and a carboxymethyl chitosan schiff base derivative. The flame-retardant coating has good thermal insulation and fireproof performance and is environmentally friendly.
Owner:WUHU YUANKUI NEW MATERIAL TECH CO LTD

Nano-fire-proofing polystyrene foam board and preparation method thereof

The invention discloses a nano-fire-proofing polystyrene foam board and a preparation method thereof. The nano-fire-proofing polystyrene foam board comprises the components of a polystyrene raw material, fumed silica, nanometer aerogel, graphene and white high temperature ceramic glaze. The fumed silica, the nanometer aerogel, the graphene and the white high temperature ceramic glaze are added to the polystyrene raw material so that the conventional polystyrene foam board is modified; therefore, the polystyrene foam board can also achieve a fire-proofing effect on the premise of the conventional heat insulation function. The nano-fire-proofing polystyrene foam board and the preparation method thereof, disclosed by the invention, have the advantages that the polystyrene foam board having the heat insulation function and capable of realizing A-grade fire-proofing modification is produced through formula adjustment, the fire safety is enhanced, the heat insulation material cost is reduced, a purpose of saving energy and reducing emission is achieved and a technical blank is filled.
Owner:惠生新材料研究院(深圳)有限公司

Preparation process of fireproof door

The invention provides a preparation process of a fireproof door. The preparation process comprises the following steps of wood drying, charging, cleaning, firing, moisture regaining, hot pressing, cold pressing, edging, fine cutting and painting. Through initial drying and subsequent firing and moisture regaining of wood, the dryness of a panel is ensured, and the phenomena of corrosion and cracking of the panel after long-term use are avoided; glass fiber fireproof cloths are alternately added in the hot pressing process, the fireproof effect of the panel is achieved, the preparation methodis simple, raw materials of the panel do not need to be proportioned again, and the production efficiency is high; the surface of a fireproofing door blank is coated with a fireproof coating, and thefireproof performance is improved; and meanwhile, through strict treatment of the multiple steps, moisture in air is effectively isolated, the effects that the door panel is not easily deformed and isnot liable to crack are ensured, and the durability of the door if improved.
Owner:安徽美林凯迪木业有限公司

Automatic fire extinguishing device for kitchen exhaust hood

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 .
Owner:上海酒店设备工程成套南翔厂有限公司 +1

Fireproof profile of steel framework

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.
Owner:黄民荣

Novel fireproof coating for building materials and preparation method thereof

The invention provides a novel fireproof coating for building materials and a preparation method thereof. The novel fireproof coating is prepared from the following components: high molecular resin, propylene carbonate, toluenediamine, tetrabromo bisphenol, waste sawdust, nano titanium dioxide, waste ceramics, didecyl dimethyl ammonium chloride, nano silicon carbide, absolute ethyl alcohol, metallic oxides, a lubricant, an additive, an emulsifier, an enhancer and deionized water. The fireproof coating prepared by the invention has the advantages of being low in cost and environmentally friendly, and is excellent in flame retardance, high in adhesive force, good in ductility, high-temperature-resistant and long in service life.
Owner:HEFEI OUSHIJIA ELECTRICAL & MECHANICAL EQUIP CO LTD

Pipeline coating and preparation method thereof

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.
Owner:江苏吉庆管材集团有限公司

Class-A non-combustible thermal insulation board and preparation method thereof

The invention relates to the technical field of thermal insulation boards, in particular to a class-A non-combustible thermal insulation board and a preparation method thereof. The class-A non-combustible thermal insulation board is prepared from components in parts by weight as follows: 22 parts of organic particles, 78 parts of inorganic particles and 100 parts of water. The thermal insulation board realizes thermal insulation through the organic particles and realizes a fireproof effect through the inorganic particles, meanwhile, the thermal insulation board prepared from the components hasa honeycomb-like fireproof isolation cabin, so that each organic polymer forms a relatively independent fireproof unit, conduction of heat and spreading of fire are blocked effectively, and the international highest fireproof class is reached.
Owner:宁夏华金盛节能环保新材料有限公司

Artificial fiber fabric with fireproof function

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.
Owner:龙泉服饰(南通)有限公司

Store plate

The invention discloses a store plate which comprises a face plate and a sandwich plate, wherein a color steel plate is used as the face plate, and a polystyrene foam sheet with a nitrogen-based flame retardant is used as the sandwich plate. Compared with the prior art, the store plate disclosed by the invention is small in thermal conductivity coefficient, good in heat preservation performance, and has less possibilities of absorbing moisture and being compressed; the polystyrene foam sheet contains a nitrogen-based flame retardant component, the nitrogen-based flame retardant is relatively stable and low in cost, and the function of the nitrogen-based flame retardant is comparable to that of a bromine-based flame retardant, and therefore, the store plate can achieve a fire prevention effect.
Owner:ZHEJIANG YUEGONG COLD CHAIN EQUIP

Transformer fireproof device with heat dissipation function

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.
Owner:ZTT TRANSFORMER CO LTD

Fireproofing pipe joint

The invention provides a fireproofing pipe joint, comprising an annular housing with an opening. The housing is provided with a fastening device which is formed by at least one bolt and is used for fastening the annular housing the housing is internally provided with a sealing ring which is an integral sealing ring; a refractory layer is fixedly arranged on the annular housing; and a flexional strip-shaped protection cover is fixed close to the refractory layer. The pipe joint is provided with the refractory layer and the protection cover, so that sealing failure of the pipe joint caused by high temperature during a fire can be avoided, therefore, the fireproofing effect is achieve, and the service life of the pipe joint is prolonged.
Owner:苏州捷英特管道技术有限公司

Fireproof coating for floor

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.
Owner:WUHU YUANKUI NEW MATERIAL TECH CO LTD

Fire-fighting fireproof door capable of being rapidly replaced

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.
Owner:瑞昌市宋福安全门科技有限公司

Flat gate valve with fire resistant function

ActiveCN107101009AImprove sealingAchieve fire protection functionSlide valveValve member-seat contactsEngineeringVALVE PORT
The invention discloses a flat gate valve with a fire resistant function. The flat gate valve comprises a valve body, a valve deck and a top cover. The valve body, the valve deck and the top cover are sequentially arranged from bottom to top. The valve body and the valve deck are fixed through a bolt. The top cover and the valve deck are fixed through a bolt. A valve seat is mounted in the valve body. A valve plate is mounted in the valve seat. The valve plate and the valve seat are clamped. A valve rod is fixed to the top of the valve plate. A containing cavity is formed in the bottom of the valve body and sequentially penetrates through the valve deck and the top cover. The gap between the top of the valve deck and the valve rod is filled with packing. Sealing grease is injected into the packing. A valve rod nut is mounted at the top of the valve rod. A hand wheel is fixed to the outer side of the valve rod nut. A flashboard of the flat gate valve with the fire resistant function has the high temperature resistant effect, the fire resistant effect is good, and sealing can be maintained as long as 12 minutes in the hydraulic pressure sealing experiment state.
Owner:浙江摩恩达阀门有限公司

Manufacturing process and manufacturing formula of high-strength fireproof and moistureproof tray

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.
Owner:安徽镁达新材料科技有限公司

A kind of pipeline coating and preparation method thereof

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.
Owner:江苏吉庆管材集团有限公司

A kind of antirust flame retardant metal coating

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.
Owner:FUJIAN NAN FENG FIREPROOF TECH

A heat-sensitive fireproof and thermal insulation wall

A heat-sensitive fireproof and thermal insulation wall, which belongs to the technical field of energy-saving buildings, is provided with a thermal insulation cavity in the center of the reinforced concrete wall, and a thermal insulation layer made of inorganic water-absorbable thermal insulation cotton is arranged in the cavity. The top of the insulation layer is provided with a water storage tank and a spray pipe, the spray pipe is controlled by a micro-power switch and a temperature controller, and is connected to a thermal sensor; The sensitive sensor, the micro-power switch and the temperature controller are electrically connected to the storage battery respectively; the inorganic porous fiber cotton rainwater storage and release module is used as the inorganic water-absorbable thermal insulation cotton; the beneficial effect is that the thermal insulation layer is made of inorganic water-absorbable thermal insulation cotton. When a fire occurs, the spray pipe will spray water on the inorganic absorbable thermal insulation cotton, because the inorganic absorbable thermal insulation cotton can absorb water and retain water, forming a water wall layer, which can effectively prevent the fire from spreading; the thermoelectric generation layer can effectively use indoor and outdoor heat energy, and provide power for a long time .
Owner:深圳市卓航装饰工程有限公司

Oil-resistant fireproof rubber material for peroxide vulcanized hose assembly and preparation method of oil-resistant fireproof rubber material

The invention relates to an oil-resistant fireproof rubber material for a peroxide vulcanized hose assembly and a preparation method. The oil-resistant fireproof rubber material comprises the following components in parts by weight: 80-100 parts of rubber, 45-60 parts of a flame-retardant filler, 10-30 parts of a fluxing agent, 1.0-2.0 parts of a chloroplatinic acid solution, 0.8-1.5 parts of a peroxide vulcanizing agent and 0.5-2.0 parts of a coupling agent. The preparation method comprises the following steps: premixing silicone rubber, fluorinated silicone rubber and phenyl silicone rubber on a rubber mixing machine to prepare premixed rubber; and gradually adding the flame-retardant filler and the fluxing agent into the premixed rubber, dropwise adding the chloroplatinic acid solution and the coupling agent, finally adding the peroxide vulcanizing agent, uniformly mixing to obtain a rubber compound, and vulcanizing and molding the rubber compound to obtain the oil-resistant and fire-resistant rubber product. Compared with the prior art, the material has the advantages of certain mechanical properties, oil resistance, flame combustion resistance and the like.
Owner:SHANGHAI PLASTICS RES INST CO LTD +1

A fireproof cable bridge

The invention relates to a fireproof cable bridge which comprises a cover plate, two C-shaped side plates with corresponding openings, a first phenol resin plate, two second phenol resin plates and a third phenol resin plate, wherein the first phenol resin plate is transversely paved on the upper end surfaces of installation portions of the C-shaped side plates, and a base plate is arranged on the upper end surface of the first phenol resin plate. A protrusion portion is arranged on the upper end surface of a supporting portion of each C-shaped side plate, a corresponding groove is arranged on the lower end surface of each supporting portion at the position corresponding to the protrusion portion, the cross sections at the upper ends of the second phenol resin plates in the longitudinal direction are matched with the grooves, and the lower end surfaces of the second phenol resin plates butt against the upper end surface of the base plate. Steps are formed between corresponding lateral sides on the supporting portions of the two C-shaped side plates and respective protrusion portions respectively, and two sides of the third phenol resin plate are in lap joint with the steps respectively. The fireproof cable bridge has a fireproof effect due to the fact that the phenol resin plates have good heat isolation and fireproof performances.
Owner:江苏众汇电气工程有限公司

Pressure-resistant, flame-retardant and waterproof asphalt roofing shingle

The invention discloses a pressure-resistant, flame-retardant and waterproof asphalt roofing shingle, and belongs to the technical field of building waterproof materials. A flame-retardant layer is additionally arranged between a hydrophobic diversion layer and a glass fiber felt, and a plurality of flame-retardant cores are distributed between the flame-retardant layer and the glass fiber felt. Under normal conditions, the flame-retardant layer is matched with the flame-retardant cores, so that the pressure resistance of the asphalt roofing shingle is improved, and the asphalt roofing shingle can resist the impact of rainstorm to a certain extent. In case of an abnormal condition such as fire, external high temperature is transmitted to the flame-retardant cores through the hydrophobic diversion layer and heat-conducting anchoring nails, flame-retardant gas on the inner side of the flame-retardant cores is sprayed out from the heat-conducting anchoring nails to the hydrophobic diversion layer in a high-temperature and high-pressure environment, pores are generated in the hydrophobic diversion layer due to high temperature, the sprayed flame-retardant gas overflows in the hydrophobic diversion layer and is matched with vitrified rock particles to achieve a better flame-retardant effect, a fire source is blocked, and a fire extinguishing effect can be achieved.
Owner:周兰兰

Intelligent fireproof control method, fireproof auxiliary control system and fireproof control system

The invention relates to an intelligent fireproof control method, a fireproof auxiliary control system and a fireproof control system, and the method comprises the steps: detecting a flame height value of a kitchen range when judging that a detected vertical movement distance value of a cooking utensil moving upwards relative to the kitchen range is greater than or equal to a preset movement distance threshold value; once it is judged that the detected flame height value exceeds the preset flame height threshold value, the flame height of the cooker is adjusted to be smaller than the preset flame height threshold value, and when it is detected that the oil mist concentration value below the range hood exceeds the preset oil mist concentration threshold value, mist-shaped oil mist diluent is controlled to be sprayed to the position below the range hood; therefore, the oil mist with the current concentration is diluted into the oil mist with the lower concentration. Thus, the situation that flames exceeding the normal height point oil stains accumulated on the range hood is avoided, the fireproof effect is achieved, and it can be guaranteed that a user can continue to use the flames in the burning state to conduct cooking operation under the condition that it is guaranteed that the oil mist diluent does not extinguish the normal flames.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
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